25663003625 has 32 divisors (see below), whose sum is σ = 36958272000. Its totient is φ = 17426577600.

The previous prime is 25663003609. The next prime is 25663003643. The reversal of 25663003625 is 52630036652.

It is not a de Polignac number, because 25663003625 - 2⁴ = 25663003609 is a prime.

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, 52250 + ... + 232499.

It is an arithmetic number, because the mean of its divisors is an integer number (1154946000).

Almost surely, 2^25663003625 is an apocalyptic number.

25663003625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25663003625 is a deficient number, since it is larger than the sum of its proper divisors (11295268375).

25663003625 is a wasteful number, since it uses less digits than its factorization.

25663003625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284874 (or 284864 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 38.

The spelling of 25663003625 in words is "twenty-five billion, six hundred sixty-three million, three thousand, six hundred twenty-five".