Instead of searching for the filename, upload the image to Saucenao or Google Lens . This will help you find the original artist (on Pixiv or Twitter) and a higher-resolution "clean" version.
If you found this in a local folder, it might be a static preview for an animated background. Download 1632526380 anime (11) jpeg
These sites use numeric strings to index millions of fan-art pieces. Instead of searching for the filename, upload the