25244313 has 12 divisors (see below), whose sum is σ = 34011120. Its totient is φ = 16655296.

The previous prime is 25244309. The next prime is 25244321. The reversal of 25244313 is 31344252.

It is not a de Polignac number, because 25244313 - 2² = 25244309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25244353) 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, 37978 + ... + 38636.

It is an arithmetic number, because the mean of its divisors is an integer number (2834260).

Almost surely, 2^25244313 is an apocalyptic number.

It is an amenable number.

25244313 is a deficient number, since it is larger than the sum of its proper divisors (8766807).

25244313 is an equidigital number, since it uses as much as digits as its factorization.

25244313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888 (or 775 counting only the distinct ones).

The product of its digits is 2880, while the sum is 24.

The square root of 25244313 is about 5024.3719010440. The cubic root of 25244313 is about 293.3511885079.

Adding to 25244313 its reverse (31344252), we get a palindrome (56588565).

The spelling of 25244313 in words is "twenty-five million, two hundred forty-four thousand, three hundred thirteen".