23604025 has 6 divisors (see below), whose sum is σ = 29269022. Its totient is φ = 18883200.

The previous prime is 23604019. The next prime is 23604037. The reversal of 23604025 is 52040632.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 71824 + 23532201 = 268^2 + 4851^2 .

It is not a de Polignac number, because 23604025 - 2⁷ = 23603897 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23603987 and 23604005.

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, 472056 + ... + 472105.

Almost surely, 2^23604025 is an apocalyptic number.

23604025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23604025 is a deficient number, since it is larger than the sum of its proper divisors (5664997).

23604025 is an equidigital number, since it uses as much as digits as its factorization.

23604025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944171 (or 944166 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 23604025 is about 4858.3973695037. The cubic root of 23604025 is about 286.8547343221.

Adding to 23604025 its reverse (52040632), we get a palindrome (75644657).

The spelling of 23604025 in words is "twenty-three million, six hundred four thousand, twenty-five".