1294584340434854921

This number is a prime.

129458434 0434854921

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The smallest palindromic prime that remains prime if the middle digit is replaced by each of six other digits (in this case 2, 3, 5, 6, 8, or 9). [Caldwell]

Submitted: 2009-03-17 23:01:24; Last Modified: 2009-03-18 02:37:42.