3329

This number is a prime.

+ The smallest prime p equal to the sum of the squares of two composite integers which are reversals each other, q and R(q) (case: q=25). [Loungrides]

+ 3329 is the smaller in the first pair of mutually happy twin primes. [Goelz]

(There are 2 curios for this number that have not yet been approved by an editor.)

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