25245313 has 2 divisors, whose sum is σ = 25245314. Its totient is φ = 25245312.

The previous prime is 25245307. The next prime is 25245361. The reversal of 25245313 is 31354252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19642624 + 5602689 = 4432^2 + 2367^2 .

It is a cyclic number.

It is not a de Polignac number, because 25245313 - 2²¹ = 23148161 is a prime.

It is not a weakly prime, because it can be changed into another prime (25245373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12622656 + 12622657.

It is an arithmetic number, because the mean of its divisors is an integer number (12622657).

Almost surely, 2^25245313 is an apocalyptic number.

It is an amenable number.

25245313 is a deficient number, since it is larger than the sum of its proper divisors (1).

25245313 is an equidigital number, since it uses as much as digits as its factorization.

25245313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3600, while the sum is 25.

The square root of 25245313 is about 5024.4714149849. The cubic root of 25245313 is about 293.3550619522.

Adding to 25245313 its reverse (31354252), we get a palindrome (56599565).

The spelling of 25245313 in words is "twenty-five million, two hundred forty-five thousand, three hundred thirteen".