23201625 has 16 divisors (see below), whose sum is σ = 38608128. Its totient is φ = 12374000.

The previous prime is 23201623. The next prime is 23201657. The reversal of 23201625 is 52610232.

It is not a de Polignac number, because 23201625 - 2¹ = 23201623 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23201621) 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 15 ways as a sum of consecutive naturals, for example, 30561 + ... + 31310.

It is an arithmetic number, because the mean of its divisors is an integer number (2413008).

Almost surely, 2^23201625 is an apocalyptic number.

23201625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23201625 is a deficient number, since it is larger than the sum of its proper divisors (15406503).

23201625 is an equidigital number, since it uses as much as digits as its factorization.

23201625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61889 (or 61879 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 23201625 is about 4816.8065146941. The cubic root of 23201625 is about 285.2152882389.

Adding to 23201625 its reverse (52610232), we get a palindrome (75811857).

The spelling of 23201625 in words is "twenty-three million, two hundred one thousand, six hundred twenty-five".