25759625441 has 16 divisors (see below), whose sum is σ = 29130684480. Its totient is φ = 22571945280.

The previous prime is 25759625393. The next prime is 25759625447. The reversal of 25759625441 is 14452695752.

It is a cyclic number.

It is not a de Polignac number, because 25759625441 - 2³⁴ = 8579756257 is a prime.

It is a super-2 number, since 2×25759625441² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 25759625441.

It is not an unprimeable number, because it can be changed into a prime (25759625447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252206 + ... + 339303.

It is an arithmetic number, because the mean of its divisors is an integer number (1820667780).

Almost surely, 2^25759625441 is an apocalyptic number.

It is an amenable number.

25759625441 is a deficient number, since it is larger than the sum of its proper divisors (3371059039).

25759625441 is a wasteful number, since it uses less digits than its factorization.

25759625441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591664.

The product of its digits is 3024000, while the sum is 50.

The spelling of 25759625441 in words is "twenty-five billion, seven hundred fifty-nine million, six hundred twenty-five thousand, four hundred forty-one".