25130313 has 12 divisors (see below), whose sum is σ = 39091780. Its totient is φ = 15464736.

The previous prime is 25130309. The next prime is 25130333. The reversal of 25130313 is 31303152.

It can be written as a sum of positive squares in 2 ways, for example, as 3674889 + 21455424 = 1917^2 + 4632^2 .

It is not a de Polignac number, because 25130313 - 2² = 25130309 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25130333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107278 + ... + 107511.

Almost surely, 2^25130313 is an apocalyptic number.

It is an amenable number.

25130313 is a deficient number, since it is larger than the sum of its proper divisors (13961467).

25130313 is a wasteful number, since it uses less digits than its factorization.

25130313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214808 (or 214805 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 25130313 is about 5013.0143626365. The cubic root of 25130313 is about 292.9089436598.

Adding to 25130313 its reverse (31303152), we get a palindrome (56433465).

It can be divided in two parts, 2 and 5130313, that added together give a palindrome (5130315).

The spelling of 25130313 in words is "twenty-five million, one hundred thirty thousand, three hundred thirteen".