23961525 has 24 divisors (see below), whose sum is σ = 45276864. Its totient is φ = 10953600.

The previous prime is 23961521. The next prime is 23961547. The reversal of 23961525 is 52516932.

It is not a de Polignac number, because 23961525 - 2² = 23961521 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23961521) 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 23 ways as a sum of consecutive naturals, for example, 22296 + ... + 23345.

It is an arithmetic number, because the mean of its divisors is an integer number (1886536).

Almost surely, 2^23961525 is an apocalyptic number.

23961525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23961525 is a deficient number, since it is larger than the sum of its proper divisors (21315339).

23961525 is a wasteful number, since it uses less digits than its factorization.

23961525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45661 (or 45656 counting only the distinct ones).

The product of its digits is 16200, while the sum is 33.

The square root of 23961525 is about 4895.0510722566. The cubic root of 23961525 is about 288.2956911964.

The spelling of 23961525 in words is "twenty-three million, nine hundred sixty-one thousand, five hundred twenty-five".