This number is a prime.
1777057^(1+7+7+7+0+5+7)+(1+7+7+7+0+5+7) is prime and 1777057 is the smallest emirp with this property. [Sariyar]
1777057^(1+7+7+7+0+5+7)+(1+7+7+7+0+5+7) is prime and 1777057 is the smallest emirp with this property. [Sariyar]