6301
This number is a prime.
6301 is the smallest prime whose the reversal of square is equal to the sum of cubes of three consecutive primes, i.e., 6301^2=39702601 and R(39702601)=10620793=149^3+151^3+157^3. [Loungrides]
(There are 3 curios for this number that have not yet been approved by an editor.)
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