25670602571 has 2 divisors, whose sum is σ = 25670602572. Its totient is φ = 25670602570.

The previous prime is 25670602513. The next prime is 25670602577. The reversal of 25670602571 is 17520607652.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25670602571 - 2¹⁴ = 25670586187 is a prime.

It is not a weakly prime, because it can be changed into another prime (25670602577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12835301285 + 12835301286.

It is an arithmetic number, because the mean of its divisors is an integer number (12835301286).

Almost surely, 2^25670602571 is an apocalyptic number.

25670602571 is a deficient number, since it is larger than the sum of its proper divisors (1).

25670602571 is an equidigital number, since it uses as much as digits as its factorization.

25670602571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 176400, while the sum is 41.

The spelling of 25670602571 in words is "twenty-five billion, six hundred seventy million, six hundred two thousand, five hundred seventy-one".