23925917 has 2 divisors, whose sum is σ = 23925918. Its totient is φ = 23925916.

The previous prime is 23925887. The next prime is 23925943. The reversal of 23925917 is 71952932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19456921 + 4468996 = 4411^2 + 2114^2 .

It is a cyclic number.

It is not a de Polignac number, because 23925917 - 2⁸ = 23925661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23925977) 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 as a sum of consecutive naturals, namely, 11962958 + 11962959.

It is an arithmetic number, because the mean of its divisors is an integer number (11962959).

Almost surely, 2^23925917 is an apocalyptic number.

It is an amenable number.

23925917 is a deficient number, since it is larger than the sum of its proper divisors (1).

23925917 is an equidigital number, since it uses as much as digits as its factorization.

23925917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34020, while the sum is 38.

The square root of 23925917 is about 4891.4125771601. The cubic root of 23925917 is about 288.1528132250.

It can be divided in two parts, 23925 and 917, that added together give a palindrome (24842).

The spelling of 23925917 in words is "twenty-three million, nine hundred twenty-five thousand, nine hundred seventeen".