132953

This number is a prime.

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The only non-titanic prime (emirp) that can be represented as the concatenation of the prime sums, (2^x+3^x), (2^x+5^x), and (2^x+7^x) for the same prime x, i.e., 2^x+3^x=13, 2^x+5^x=29, 2^x+7^x=53, (case x=2). [Loungrides]