318713 has 2 divisors, whose sum is σ = 318714. Its totient is φ = 318712.

The previous prime is 318701. The next prime is 318737. The reversal of 318713 is 317813.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 310249 + 8464 = 557^2 + 92^2 .

It is a cyclic number.

It is not a de Polignac number, because 318713 - 2⁸ = 318457 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (318743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159356 + 159357.

It is an arithmetic number, because the mean of its divisors is an integer number (159357).

2³¹⁸⁷¹³ is an apocalyptic number.

It is an amenable number.

318713 is a deficient number, since it is larger than the sum of its proper divisors (1).

318713 is an equidigital number, since it uses as much as digits as its factorization.

318713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 504, while the sum is 23.

The square root of 318713 is about 564.5467208301. The cubic root of 318713 is about 68.3072171996.

Subtracting from 318713 its reverse (317813), we obtain a square (900 = 30²).

The spelling of 318713 in words is "three hundred eighteen thousand, seven hundred thirteen".