23889525 has 48 divisors (see below), whose sum is σ = 44997120. Its totient is φ = 11070400.

The previous prime is 23889497. The next prime is 23889527. The reversal of 23889525 is 52598832.

It is not a de Polignac number, because 23889525 - 2⁶ = 23889461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23889527) 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 47 ways as a sum of consecutive naturals, for example, 18346 + ... + 19604.

It is an arithmetic number, because the mean of its divisors is an integer number (937440).

Almost surely, 2^23889525 is an apocalyptic number.

23889525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23889525 is a deficient number, since it is larger than the sum of its proper divisors (21107595).

23889525 is a wasteful number, since it uses less digits than its factorization.

23889525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306 (or 1301 counting only the distinct ones).

The product of its digits is 172800, while the sum is 42.

The square root of 23889525 is about 4887.6911727318. The cubic root of 23889525 is about 288.0066428830.

The spelling of 23889525 in words is "twenty-three million, eight hundred eighty-nine thousand, five hundred twenty-five".