25153313 has 4 divisors (see below), whose sum is σ = 25179540. Its totient is φ = 25127088.

The previous prime is 25153309. The next prime is 25153327. The reversal of 25153313 is 31335152.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10804369 + 14348944 = 3287^2 + 3788^2 .

It is a cyclic number.

It is not a de Polignac number, because 25153313 - 2² = 25153309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25153393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11618 + ... + 13611.

It is an arithmetic number, because the mean of its divisors is an integer number (6294885).

Almost surely, 2^25153313 is an apocalyptic number.

It is an amenable number.

25153313 is a deficient number, since it is larger than the sum of its proper divisors (26227).

25153313 is an equidigital number, since it uses as much as digits as its factorization.

25153313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26226.

The product of its digits is 1350, while the sum is 23.

The square root of 25153313 is about 5015.3078669210. The cubic root of 25153313 is about 292.9982760327.

Adding to 25153313 its reverse (31335152), we get a palindrome (56488465).

The spelling of 25153313 in words is "twenty-five million, one hundred fifty-three thousand, three hundred thirteen".