23712525 has 18 divisors (see below), whose sum is σ = 42472170. Its totient is φ = 12646560.

The previous prime is 23712511. The next prime is 23712527. The reversal of 23712525 is 52521732.

It can be written as a sum of positive squares in 3 ways, for example, as 4052169 + 19660356 = 2013^2 + 4434^2 .

It is not a de Polignac number, because 23712525 - 2⁷ = 23712397 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23712527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 52470 + ... + 52919.

It is an arithmetic number, because the mean of its divisors is an integer number (2359565).

Almost surely, 2^23712525 is an apocalyptic number.

23712525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23712525 is a deficient number, since it is larger than the sum of its proper divisors (18759645).

23712525 is a wasteful number, since it uses less digits than its factorization.

23712525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105405 (or 105397 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 23712525 is about 4869.5508006386. The cubic root of 23712525 is about 287.2935884516.

The spelling of 23712525 in words is "twenty-three million, seven hundred twelve thousand, five hundred twenty-five".