25400562625 has 32 divisors (see below), whose sum is σ = 32561553024. Its totient is φ = 19775448000.

The previous prime is 25400562599. The next prime is 25400562643. The reversal of 25400562625 is 52626500452.

It is not a de Polignac number, because 25400562625 - 2⁷ = 25400562497 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 676855 + ... + 713395.

It is an arithmetic number, because the mean of its divisors is an integer number (1017548532).

Almost surely, 2^25400562625 is an apocalyptic number.

25400562625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25400562625 is a deficient number, since it is larger than the sum of its proper divisors (7160990399).

25400562625 is an equidigital number, since it uses as much as digits as its factorization.

25400562625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36706 (or 36696 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 25400562625 in words is "twenty-five billion, four hundred million, five hundred sixty-two thousand, six hundred twenty-five".