25328923 has 2 divisors, whose sum is σ = 25328924. Its totient is φ = 25328922.

The previous prime is 25328917. The next prime is 25328951. The reversal of 25328923 is 32982352.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25328923 is a prime.

It is not a weakly prime, because it can be changed into another prime (25328903) 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, 12664461 + 12664462.

It is an arithmetic number, because the mean of its divisors is an integer number (12664462).

Almost surely, 2^25328923 is an apocalyptic number.

25328923 is a deficient number, since it is larger than the sum of its proper divisors (1).

25328923 is an equidigital number, since it uses as much as digits as its factorization.

25328923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 34.

The square root of 25328923 is about 5032.7848155867. The cubic root of 25328923 is about 293.6785594792.

The spelling of 25328923 in words is "twenty-five million, three hundred twenty-eight thousand, nine hundred twenty-three".