25045536625 has 16 divisors (see below), whose sum is σ = 32615826048. Its totient is φ = 19165278000.

The previous prime is 25045536619. The next prime is 25045536629. The reversal of 25045536625 is 52663554052.

It is not a de Polignac number, because 25045536625 - 2³ = 25045536617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25045536629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4352871 + ... + 4358620.

It is an arithmetic number, because the mean of its divisors is an integer number (2038489128).

Almost surely, 2^25045536625 is an apocalyptic number.

25045536625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25045536625 is a deficient number, since it is larger than the sum of its proper divisors (7570289423).

25045536625 is an equidigital number, since it uses as much as digits as its factorization.

25045536625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8711529 (or 8711519 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 43.

The spelling of 25045536625 in words is "twenty-five billion, forty-five million, five hundred thirty-six thousand, six hundred twenty-five".