25472970571 has 2 divisors, whose sum is σ = 25472970572. Its totient is φ = 25472970570.

The previous prime is 25472970563. The next prime is 25472970637. The reversal of 25472970571 is 17507927452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25472970571 - 2³ = 25472970563 is a prime.

It is a super-2 number, since 2×25472970571² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25472070571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12736485285 + 12736485286.

It is an arithmetic number, because the mean of its divisors is an integer number (12736485286).

Almost surely, 2^25472970571 is an apocalyptic number.

25472970571 is a deficient number, since it is larger than the sum of its proper divisors (1).

25472970571 is an equidigital number, since it uses as much as digits as its factorization.

25472970571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1234800, while the sum is 49.

The spelling of 25472970571 in words is "twenty-five billion, four hundred seventy-two million, nine hundred seventy thousand, five hundred seventy-one".