5477

This number is a prime.

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The smallest non-palindromic prime such that it and its reversal are both one more than a perfect square: 5477 = 742 + 1 and 7745 = 882 + 1. [Gudipati]

Submitted: 2026-02-10 02:21:39;   Last Modified: 2026-02-10 03:55:06.
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