1487

This number is a prime.

+ The first prime which requires 9 steps in the reverse-and-add process to reach a palindrome. [Porter]

+ 1487 and its reversal 7841 is the first distinct-digit pair of emirps that are both super-2 primes, i.e., 2*1487^2 = 4422338 and 2*7841^2 = 122962562. [Loungrides]

(There is one curio for this number that has not yet been approved by an editor.)

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