317279 has 2 divisors, whose sum is σ = 317280. Its totient is φ = 317278.

The previous prime is 317269. The next prime is 317321. The reversal of 317279 is 972713.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 317279 - 2⁴ = 317263 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (317209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158639 + 158640.

It is an arithmetic number, because the mean of its divisors is an integer number (158640).

2³¹⁷²⁷⁹ is an apocalyptic number.

317279 is a deficient number, since it is larger than the sum of its proper divisors (1).

317279 is an equidigital number, since it uses as much as digits as its factorization.

317279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2646, while the sum is 29.

The square root of 317279 is about 563.2752435533. The cubic root of 317279 is about 68.2046172374.

The spelling of 317279 in words is "three hundred seventeen thousand, two hundred seventy-nine".