25328313 has 24 divisors (see below), whose sum is σ = 39219648. Its totient is φ = 15710112.

The previous prime is 25328309. The next prime is 25328323. The reversal of 25328313 is 31382352.

25328313 is a `hidden beast` number, since 25 + 328 + 313 = 666.

It is not a de Polignac number, because 25328313 - 2² = 25328309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25328323) 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, 6006 + ... + 9312.

It is an arithmetic number, because the mean of its divisors is an integer number (1634152).

Almost surely, 2^25328313 is an apocalyptic number.

25328313 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

25328313 is a deficient number, since it is larger than the sum of its proper divisors (13891335).

25328313 is a wasteful number, since it uses less digits than its factorization.

25328313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3373 (or 3370 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 25328313 is about 5032.7242125910. The cubic root of 25328313 is about 293.6762018930.

The spelling of 25328313 in words is "twenty-five million, three hundred twenty-eight thousand, three hundred thirteen".