25672074517 has 2 divisors, whose sum is σ = 25672074518. Its totient is φ = 25672074516.

The previous prime is 25672074511. The next prime is 25672074581. The reversal of 25672074517 is 71547027652.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15645256561 + 10026817956 = 125081^2 + 100134^2 .

It is a cyclic number.

It is not a de Polignac number, because 25672074517 - 2³ = 25672074509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25672074511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12836037258 + 12836037259.

It is an arithmetic number, because the mean of its divisors is an integer number (12836037259).

Almost surely, 2^25672074517 is an apocalyptic number.

It is an amenable number.

25672074517 is a deficient number, since it is larger than the sum of its proper divisors (1).

25672074517 is an equidigital number, since it uses as much as digits as its factorization.

25672074517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 823200, while the sum is 46.

The spelling of 25672074517 in words is "twenty-five billion, six hundred seventy-two million, seventy-four thousand, five hundred seventeen".