23651725 has 12 divisors (see below), whose sum is σ = 29440576. Its totient is φ = 18848880.

The previous prime is 23651723. The next prime is 23651753. The reversal of 23651725 is 52715632.

It is not a de Polignac number, because 23651725 - 2¹ = 23651723 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23651723) 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 11 ways as a sum of consecutive naturals, for example, 5404 + ... + 8746.

Almost surely, 2^23651725 is an apocalyptic number.

23651725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23651725 is a deficient number, since it is larger than the sum of its proper divisors (5788851).

23651725 is a wasteful number, since it uses less digits than its factorization.

23651725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3636 (or 3631 counting only the distinct ones).

The product of its digits is 12600, while the sum is 31.

The square root of 23651725 is about 4863.3039181199. The cubic root of 23651725 is about 287.0478336505.

The spelling of 23651725 in words is "twenty-three million, six hundred fifty-one thousand, seven hundred twenty-five".