This number is a prime.
The sum of the digits of this emirp is 19, the sum of the squares of the digits is 61, the sum of the cubes - 199 and the sum of the fourth powers - 661. Do you see the two pairs of invertible primes? [Petrov]
Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell