25833125634 has 16 divisors (see below), whose sum is σ = 51667831488. Its totient is φ = 8610778512.

The previous prime is 25833125599. The next prime is 25833125639. The reversal of 25833125634 is 43652133852.

It is not an unprimeable number, because it can be changed into a prime (25833125639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326739 + ... + 398025.

It is an arithmetic number, because the mean of its divisors is an integer number (3229239468).

Almost surely, 2^25833125634 is an apocalyptic number.

25833125634 is an abundant number, since it is smaller than the sum of its proper divisors (25834705854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25833125634 is a wasteful number, since it uses less digits than its factorization.

25833125634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131689.

The product of its digits is 518400, while the sum is 42.

The spelling of 25833125634 in words is "twenty-five billion, eight hundred thirty-three million, one hundred twenty-five thousand, six hundred thirty-four".