23525887 has 16 divisors (see below), whose sum is σ = 29463552. Its totient is φ = 18249120.

The previous prime is 23525881. The next prime is 23525891. The reversal of 23525887 is 78852532.

It is a cyclic number.

It is not a de Polignac number, because 23525887 - 2²³ = 15137279 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 (23525881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20778 + ... + 21880.

It is an arithmetic number, because the mean of its divisors is an integer number (1841472).

Almost surely, 2^23525887 is an apocalyptic number.

23525887 is a deficient number, since it is larger than the sum of its proper divisors (5937665).

23525887 is a wasteful number, since it uses less digits than its factorization.

23525887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398.

The product of its digits is 134400, while the sum is 40.

The square root of 23525887 is about 4850.3491626892. The cubic root of 23525887 is about 286.5378528586.

The spelling of 23525887 in words is "twenty-three million, five hundred twenty-five thousand, eight hundred eighty-seven".