317329 has 4 divisors (see below), whose sum is σ = 318976. Its totient is φ = 315684.

The previous prime is 317327. The next prime is 317333. The reversal of 317329 is 923713.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 923713 = 7 ⋅131959.

It is a cyclic number.

It is not a de Polignac number, because 317329 - 2¹ = 317327 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (317321) 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, 489 + ... + 934.

It is an arithmetic number, because the mean of its divisors is an integer number (79744).

2³¹⁷³²⁹ is an apocalyptic number.

It is an amenable number.

317329 is a deficient number, since it is larger than the sum of its proper divisors (1647).

317329 is a wasteful number, since it uses less digits than its factorization.

317329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1646.

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

The square root of 317329 is about 563.3196250798. The cubic root of 317329 is about 68.2081998379.

It can be divided in two parts, 317 and 329, that added together give a palindrome (646).

The spelling of 317329 in words is "three hundred seventeen thousand, three hundred twenty-nine".