318007 has 2 divisors, whose sum is σ = 318008. Its totient is φ = 318006.

The previous prime is 318001. The next prime is 318023. The reversal of 318007 is 700813.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-318007 is a prime.

It is a super-2 number, since 2×318007² = 202256904098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (318001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159003 + 159004.

It is an arithmetic number, because the mean of its divisors is an integer number (159004).

2³¹⁸⁰⁰⁷ is an apocalyptic number.

318007 is a deficient number, since it is larger than the sum of its proper divisors (1).

318007 is an equidigital number, since it uses as much as digits as its factorization.

318007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 318007 is about 563.9210937711. The cubic root of 318007 is about 68.2567427939.

The spelling of 318007 in words is "three hundred eighteen thousand, seven".