25213173 has 8 divisors (see below), whose sum is σ = 33667200. Its totient is φ = 16783968.

The previous prime is 25213141. The next prime is 25213187. The reversal of 25213173 is 37131252.

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

It is not a de Polignac number, because 25213173 - 2⁵ = 25213141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25213973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3688 + ... + 8001.

It is an arithmetic number, because the mean of its divisors is an integer number (4208400).

Almost surely, 2^25213173 is an apocalyptic number.

It is an amenable number.

25213173 is a deficient number, since it is larger than the sum of its proper divisors (8454027).

25213173 is a wasteful number, since it uses less digits than its factorization.

25213173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12411.

The product of its digits is 1260, while the sum is 24.

The square root of 25213173 is about 5021.2720499889. The cubic root of 25213173 is about 293.2305182311.

The spelling of 25213173 in words is "twenty-five million, two hundred thirteen thousand, one hundred seventy-three".