23620025 has 24 divisors (see below), whose sum is σ = 34414464. Its totient is φ = 15854400.

The previous prime is 23620019. The next prime is 23620027. The reversal of 23620025 is 52002632.

It is a happy number.

It is not a de Polignac number, because 23620025 - 2⁸ = 23619769 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23619979 and 23620006.

It is not an unprimeable number, because it can be changed into a prime (23620027) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 272 + ... + 6878.

It is an arithmetic number, because the mean of its divisors is an integer number (1433936).

Almost surely, 2^23620025 is an apocalyptic number.

23620025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23620025 is a deficient number, since it is larger than the sum of its proper divisors (10794439).

23620025 is a wasteful number, since it uses less digits than its factorization.

23620025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6641 (or 6636 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 23620025 is about 4860.0437240831. The cubic root of 23620025 is about 286.9195345572.

Adding to 23620025 its reverse (52002632), we get a palindrome (75622657).

The spelling of 23620025 in words is "twenty-three million, six hundred twenty thousand, twenty-five".