23525620 has 24 divisors (see below), whose sum is σ = 52310664. Its totient is φ = 8856576.

The previous prime is 23525617. The next prime is 23525639. The reversal of 23525620 is 2652532.

It can be written as a sum of positive squares in 4 ways, for example, as 7171684 + 16353936 = 2678^2 + 4044^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34257 + ... + 34936.

It is an arithmetic number, because the mean of its divisors is an integer number (2179611).

Almost surely, 2^23525620 is an apocalyptic number.

23525620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23525620 is an abundant number, since it is smaller than the sum of its proper divisors (28785044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23525620 is a wasteful number, since it uses less digits than its factorization.

23525620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69219 (or 69217 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 23525620 is about 4850.3216388194. The cubic root of 23525620 is about 286.5367688627.

The spelling of 23525620 in words is "twenty-three million, five hundred twenty-five thousand, six hundred twenty".