23525039 has 4 divisors (see below), whose sum is σ = 23609040. Its totient is φ = 23441040.

The previous prime is 23525027. The next prime is 23525041. The reversal of 23525039 is 93052532.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23525039 - 2⁸ = 23524783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23525639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41579 + ... + 42140.

It is an arithmetic number, because the mean of its divisors is an integer number (5902260).

Almost surely, 2^23525039 is an apocalyptic number.

23525039 is a deficient number, since it is larger than the sum of its proper divisors (84001).

23525039 is an equidigital number, since it uses as much as digits as its factorization.

23525039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84000.

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 23525039 is about 4850.2617455144. The cubic root of 23525039 is about 286.5344100268.

It can be divided in two parts, 235 and 25039, that multiplied together give a triangular number (5884165 = T₃₄₃₀).

The spelling of 23525039 in words is "twenty-three million, five hundred twenty-five thousand, thirty-nine".