23957225 has 6 divisors (see below), whose sum is σ = 29706990. Its totient is φ = 19165760.

The previous prime is 23957209. The next prime is 23957239. The reversal of 23957225 is 52275932.

It can be written as a sum of positive squares in 3 ways, for example, as 35344 + 23921881 = 188^2 + 4891^2 .

It is not a de Polignac number, because 23957225 - 2⁴ = 23957209 is a prime.

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, 479120 + ... + 479169.

It is an arithmetic number, because the mean of its divisors is an integer number (4951165).

Almost surely, 2^23957225 is an apocalyptic number.

23957225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23957225 is a deficient number, since it is larger than the sum of its proper divisors (5749765).

23957225 is an equidigital number, since it uses as much as digits as its factorization.

23957225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958299 (or 958294 counting only the distinct ones).

The product of its digits is 37800, while the sum is 35.

The square root of 23957225 is about 4894.6118334348. The cubic root of 23957225 is about 288.2784448590.

The spelling of 23957225 in words is "twenty-three million, nine hundred fifty-seven thousand, two hundred twenty-five".