23609537525 has 24 divisors (see below), whose sum is σ = 35426214720. Its totient is φ = 15237077760.

The previous prime is 23609537509. The next prime is 23609537563. The reversal of 23609537525 is 52573590632.

It is not a de Polignac number, because 23609537525 - 2⁴ = 23609537509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23609537525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3965015 + ... + 3970964.

It is an arithmetic number, because the mean of its divisors is an integer number (1476092280).

Almost surely, 2^23609537525 is an apocalyptic number.

23609537525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23609537525 is a deficient number, since it is larger than the sum of its proper divisors (11816677195).

23609537525 is a wasteful number, since it uses less digits than its factorization.

23609537525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7936013 (or 7936008 counting only the distinct ones).

The product of its (nonzero) digits is 1701000, while the sum is 47.

The spelling of 23609537525 in words is "twenty-three billion, six hundred nine million, five hundred thirty-seven thousand, five hundred twenty-five".