193

This number is a prime.

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The square of 193 (37249) concatenated with its reverse (which is a prime) results in a palindrome that is the product of 2 palindromes, one non-prime (1001) and one prime (3721273). [Trotter]

Submitted: 2003-10-19 21:24:58; Last Modified: 2008-01-30 17:28:00.