317293 has 4 divisors (see below), whose sum is σ = 319228. Its totient is φ = 315360.

The previous prime is 317279. The next prime is 317321. The reversal of 317293 is 392713.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 392713 = 499 ⋅787.

It can be written as a sum of positive squares in 2 ways, for example, as 5929 + 311364 = 77^2 + 558^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-317293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 696 + ... + 1057.

It is an arithmetic number, because the mean of its divisors is an integer number (79807).

2³¹⁷²⁹³ is an apocalyptic number.

It is an amenable number.

317293 is a deficient number, since it is larger than the sum of its proper divisors (1935).

317293 is a wasteful number, since it uses less digits than its factorization.

317293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1934.

The product of its digits is 1134, while the sum is 25.

The square root of 317293 is about 563.2876707332. The cubic root of 317293 is about 68.2056204035.

The spelling of 317293 in words is "three hundred seventeen thousand, two hundred ninety-three".