25170313 has 8 divisors (see below), whose sum is σ = 28804032. Its totient is φ = 21546096.

The previous prime is 25170293. The next prime is 25170329. The reversal of 25170313 is 31307152.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25170313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25170373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4731 + ... + 8527.

It is an arithmetic number, because the mean of its divisors is an integer number (3600504).

Almost surely, 2^25170313 is an apocalyptic number.

It is an amenable number.

25170313 is a deficient number, since it is larger than the sum of its proper divisors (3633719).

25170313 is an equidigital number, since it uses as much as digits as its factorization.

25170313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4751.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 25170313 is about 5017.0023918671. The cubic root of 25170313 is about 293.0642693139.

Adding to 25170313 its reverse (31307152), we get a palindrome (56477465).

The spelling of 25170313 in words is "twenty-five million, one hundred seventy thousand, three hundred thirteen".