1559

This number is a prime.

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The smallest emirp whose reversal (9551) is an "automorphic" prime subscript (i.e., P₉₅₅₁ ends in 9551) that is also obtained when each digit is replaced by its complement. [Beedassy]

Submitted: 2010-03-03 14:10:07; Last Modified: 2010-03-03 16:09:14.