: The number matches DOI 10.1038/s41598-019-52584-w , a study on identifying inaccuracies in gene expression estimates published in Scientific Reports . It is common for researchers to package supplementary data or code for such papers into compressed archive files like .rar for sharing.

: If you received a text message or email directing you to download a file named 52584.rar (or similar), it is likely a phishing scam . Scammers often use compressed files to hide malware from email filters. To give you a better answer, could you tell me:

Where did you (e.g., in a message, on a website)?

Got a text about unpaid tolls? It's probably a scam | Consumer Advice