23187825 has 36 divisors (see below), whose sum is σ = 41797548. Its totient is φ = 12288000.

The previous prime is 23187817. The next prime is 23187851. The reversal of 23187825 is 52878132.

It can be written as a sum of positive squares in 6 ways, for example, as 5948721 + 17239104 = 2439^2 + 4152^2 .

It is not a de Polignac number, because 23187825 - 2³ = 23187817 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23187825.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 57625 + ... + 58025.

It is an arithmetic number, because the mean of its divisors is an integer number (1161043).

Almost surely, 2^23187825 is an apocalyptic number.

23187825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23187825 is a deficient number, since it is larger than the sum of its proper divisors (18609723).

23187825 is a wasteful number, since it uses less digits than its factorization.

23187825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674 (or 666 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 23187825 is about 4815.3738172649. The cubic root of 23187825 is about 285.1587296776.

The spelling of 23187825 in words is "twenty-three million, one hundred eighty-seven thousand, eight hundred twenty-five".