318891325 has 12 divisors (see below), whose sum is σ = 395649280. Its totient is φ = 254968560.

The previous prime is 318891323. The next prime is 318891329. The reversal of 318891325 is 523198813.

It is not a de Polignac number, because 318891325 - 2¹ = 318891323 is a prime.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318891323) 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, 74596 + ... + 78754.

Almost surely, 2^318891325 is an apocalyptic number.

It is an amenable number.

318891325 is a deficient number, since it is larger than the sum of its proper divisors (76757955).

318891325 is a wasteful number, since it uses less digits than its factorization.

318891325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7236 (or 7231 counting only the distinct ones).

The product of its digits is 51840, while the sum is 40.

The square root of 318891325 is about 17857.5285244067. The cubic root of 318891325 is about 683.1995448301.

The spelling of 318891325 in words is "three hundred eighteen million, eight hundred ninety-one thousand, three hundred twenty-five".