318425 has 12 divisors (see below), whose sum is σ = 404736. Its totient is φ = 248400.

The previous prime is 318419. The next prime is 318431. The reversal of 318425 is 524813.

It is an interprime number because it is at equal distance from previous prime (318419) and next prime (318431).

It is not a de Polignac number, because 318425 - 2¹² = 314329 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 318425.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 318425.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1040 + ... + 1310.

It is an arithmetic number, because the mean of its divisors is an integer number (33728).

2³¹⁸⁴²⁵ is an apocalyptic number.

It is an amenable number.

318425 is a deficient number, since it is larger than the sum of its proper divisors (86311).

318425 is a wasteful number, since it uses less digits than its factorization.

318425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328 (or 323 counting only the distinct ones).

The product of its digits is 960, while the sum is 23.

The square root of 318425 is about 564.2915912895. The cubic root of 318425 is about 68.2866360842.

The spelling of 318425 in words is "three hundred eighteen thousand, four hundred twenty-five".