190080061

This number is a prime.

+ The smallest strobogrammatic prime containing all the invertible digits {0, 1, 6, 8, 9} such that (a) its square (36130429589763721) is pandigital; (b) the reversal of its square (12736798592403163) is a pandigital prime. [Bajpai]

+ The largest strobogrammatic emirp with the least length containing all of the invertible digits {0, 1, 6, 8, 9}. [Loungrides]

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