425516711 has 2 divisors, whose sum is σ = 425516712. Its totient is φ = 425516710.

The previous prime is 425516683. The next prime is 425516771. The reversal of 425516711 is 117615524.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425516711 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425516771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212758355 + 212758356.

It is an arithmetic number, because the mean of its divisors is an integer number (212758356).

Almost surely, 2^425516711 is an apocalyptic number.

425516711 is a deficient number, since it is larger than the sum of its proper divisors (1).

425516711 is an equidigital number, since it uses as much as digits as its factorization.

425516711 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8400, while the sum is 32.

The square root of 425516711 is about 20628.0564038399. The cubic root of 425516711 is about 752.1518709931.

The spelling of 425516711 in words is "four hundred twenty-five million, five hundred sixteen thousand, seven hundred eleven".