353

This number is a prime.

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The only odd three-digit prime such that the sum of each of its digits raised to itself is prime, i.e., 3³⁵³ + 5³⁵³ + 3³⁵³ is prime. [Opao]

Submitted: 2003-12-29 05:41:35; Last Modified: 2014-08-08 11:47:18.