25040313 has 16 divisors (see below), whose sum is σ = 37227840. Its totient is φ = 16634592.

The previous prime is 25040297. The next prime is 25040321. The reversal of 25040313 is 31304052.

25040313 is a `hidden beast` number, since 250 + 403 + 13 = 666.

It is not a de Polignac number, because 25040313 - 2⁴ = 25040297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25040413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6970 + ... + 9932.

It is an arithmetic number, because the mean of its divisors is an integer number (2326740).

Almost surely, 2^25040313 is an apocalyptic number.

It is an amenable number.

25040313 is a deficient number, since it is larger than the sum of its proper divisors (12187527).

25040313 is a wasteful number, since it uses less digits than its factorization.

25040313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3285 (or 3279 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 25040313 is about 5004.0296761710. The cubic root of 25040313 is about 292.5588573209.

Adding to 25040313 its reverse (31304052), we get a palindrome (56344365).

The spelling of 25040313 in words is "twenty-five million, forty thousand, three hundred thirteen".