Are Asset IDs unique to one image or are they recycled if image is deleted?

Asset IDs can be unique or recycled depending on the platform. Unique IDs are permanent, while recycled IDs can be reassigned to new images. Consult the platform's documentation or support to confirm their policy. Use additional identifiers and backup your data for better management.

Are Asset IDs unique to image or will they be recycled for new images when the old ones become unavailable due to contributor deleting their account or images?

 

Eg.

542118034 is id of image no longer available

Can this number be reassigned as Asset ID for new image uploaded ?

By @Satyaraja24678069hi4s

Asset IDs are unique and are not recycled. If an asset gets deleted it can't be downlowded anymore but the asset id will not be reattributed. 

No, asset numbers are not re-assigned. Why do you ask?