23725 has 12 divisors (see below), whose sum is σ = 32116. Its totient is φ = 17280.

The previous prime is 23719. The next prime is 23741. The reversal of 23725 is 52732.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 2116 + 21609 = 46^2 + 147^2 .

It is a de Polignac number, because none of the positive numbers 2^k-23725 is a prime.

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 289 + ... + 361.

2²³⁷²⁵ is an apocalyptic number.

23725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23725 is a deficient number, since it is larger than the sum of its proper divisors (8391).

23725 is a wasteful number, since it uses less digits than its factorization.

23725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96 (or 91 counting only the distinct ones).

The product of its digits is 420, while the sum is 19.

The square root of 23725 is about 154.0292180075. The cubic root of 23725 is about 28.7343960694.

Multiplying 23725 by its sum of digits (19), we get a triangular number (450775 = T₉₄₉).

It can be divided in two parts, 237 and 25, that added together give a palindrome (262).

The spelling of 23725 in words is "twenty-three thousand, seven hundred twenty-five".