318259 has 2 divisors, whose sum is σ = 318260. Its totient is φ = 318258.

The previous prime is 318247. The next prime is 318271. The reversal of 318259 is 952813.

It is a balanced prime because it is at equal distance from previous prime (318247) and next prime (318271).

It is an emirp because it is prime and its reverse (952813) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-318259 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (318209) 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, 159129 + 159130.

It is an arithmetic number, because the mean of its divisors is an integer number (159130).

2³¹⁸²⁵⁹ is an apocalyptic number.

318259 is a deficient number, since it is larger than the sum of its proper divisors (1).

318259 is an equidigital number, since it uses as much as digits as its factorization.

318259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 28.

The square root of 318259 is about 564.1444850391. The cubic root of 318259 is about 68.2747677196.

The spelling of 318259 in words is "three hundred eighteen thousand, two hundred fifty-nine".