23525329 has 4 divisors (see below), whose sum is σ = 23559220. Its totient is φ = 23491440.

The previous prime is 23525317. The next prime is 23525387. The reversal of 23525329 is 92352532.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6385729 + 17139600 = 2527^2 + 4140^2 .

It is a cyclic number.

It is not a de Polignac number, because 23525329 - 2⁹ = 23524817 is a prime.

It is a super-2 number, since 2×23525329² = 1106882209116482, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23525329.

It is not an unprimeable number, because it can be changed into a prime (23525309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15882 + ... + 17299.

It is an arithmetic number, because the mean of its divisors is an integer number (5889805).

Almost surely, 2^23525329 is an apocalyptic number.

It is an amenable number.

23525329 is a deficient number, since it is larger than the sum of its proper divisors (33891).

23525329 is an equidigital number, since it uses as much as digits as its factorization.

23525329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33890.

The product of its digits is 16200, while the sum is 31.

The square root of 23525329 is about 4850.2916407161. The cubic root of 23525329 is about 286.5355874196.

The spelling of 23525329 in words is "twenty-three million, five hundred twenty-five thousand, three hundred twenty-nine".