23731625 has 8 divisors (see below), whose sum is σ = 29617224. Its totient is φ = 18985200.

The previous prime is 23731577. The next prime is 23731633. The reversal of 23731625 is 52613732.

It can be written as a sum of positive squares in 4 ways, for example, as 267289 + 23464336 = 517^2 + 4844^2 .

It is not a de Polignac number, because 23731625 - 2⁸ = 23731369 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 94802 + ... + 95051.

It is an arithmetic number, because the mean of its divisors is an integer number (3702153).

Almost surely, 2^23731625 is an apocalyptic number.

23731625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23731625 is a deficient number, since it is larger than the sum of its proper divisors (5885599).

23731625 is an equidigital number, since it uses as much as digits as its factorization.

23731625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189868 (or 189858 counting only the distinct ones).

The product of its digits is 7560, while the sum is 29.

The square root of 23731625 is about 4871.5115723972. The cubic root of 23731625 is about 287.3707043062.

The spelling of 23731625 in words is "twenty-three million, seven hundred thirty-one thousand, six hundred twenty-five".