This number is a composite.
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65 = 5 * 13 and π(65) = π(5) * π(13) = 5 + 13. [Honaker]
The reversal of 65^56 is prime.
Copy and paste RevDigits(65^RevDigits(65,10),10) into the 'Value space' at Alpertron (integer factorization calculator) then click on the 'Prime box' to display this 102-digit number. Can you find a larger prime of this form? [Honaker]