23331725 has 6 divisors (see below), whose sum is σ = 28931370. Its totient is φ = 18665360.

The previous prime is 23331709. The next prime is 23331731. The reversal of 23331725 is 52713332.

It can be written as a sum of positive squares in 3 ways, for example, as 1857769 + 21473956 = 1363^2 + 4634^2 .

It is not a de Polignac number, because 23331725 - 2⁴ = 23331709 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23331694 and 23331703.

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, 466610 + ... + 466659.

It is an arithmetic number, because the mean of its divisors is an integer number (4821895).

Almost surely, 2^23331725 is an apocalyptic number.

23331725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23331725 is a deficient number, since it is larger than the sum of its proper divisors (5599645).

23331725 is an equidigital number, since it uses as much as digits as its factorization.

23331725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933279 (or 933274 counting only the distinct ones).

The product of its digits is 3780, while the sum is 26.

The square root of 23331725 is about 4830.2924342114. The cubic root of 23331725 is about 285.7473970554.

The spelling of 23331725 in words is "twenty-three million, three hundred thirty-one thousand, seven hundred twenty-five".