23615025 has 48 divisors (see below), whose sum is σ = 46092288. Its totient is φ = 10440000.

The previous prime is 23615017. The next prime is 23615027. The reversal of 23615025 is 52051632.

It is not a de Polignac number, because 23615025 - 2³ = 23615017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23614986 and 23615004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23615027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15550 + ... + 17000.

It is an arithmetic number, because the mean of its divisors is an integer number (960256).

Almost surely, 2^23615025 is an apocalyptic number.

23615025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23615025 is a deficient number, since it is larger than the sum of its proper divisors (22477263).

23615025 is a wasteful number, since it uses less digits than its factorization.

23615025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1502 (or 1497 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 23615025 is about 4859.5292981934. The cubic root of 23615025 is about 286.8992876281.

Adding to 23615025 its reverse (52051632), we get a palindrome (75666657).

The spelling of 23615025 in words is "twenty-three million, six hundred fifteen thousand, twenty-five".