23986525 has 6 divisors (see below), whose sum is σ = 29743322. Its totient is φ = 19189200.

The previous prime is 23986519. The next prime is 23986553. The reversal of 23986525 is 52568932.

It can be written as a sum of positive squares in 3 ways, for example, as 6497401 + 17489124 = 2549^2 + 4182^2 .

It is a de Polignac number, because none of the positive numbers 2^k-23986525 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 479706 + ... + 479755.

Almost surely, 2^23986525 is an apocalyptic number.

23986525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23986525 is a deficient number, since it is larger than the sum of its proper divisors (5756797).

23986525 is an equidigital number, since it uses as much as digits as its factorization.

23986525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959471 (or 959466 counting only the distinct ones).

The product of its digits is 129600, while the sum is 40.

The square root of 23986525 is about 4897.6040060421. The cubic root of 23986525 is about 288.3959197524.

The spelling of 23986525 in words is "twenty-three million, nine hundred eighty-six thousand, five hundred twenty-five".