317825 has 6 divisors (see below), whose sum is σ = 394134. Its totient is φ = 254240.

The previous prime is 317797. The next prime is 317827. The reversal of 317825 is 528713.

It can be written as a sum of positive squares in 3 ways, for example, as 80656 + 237169 = 284^2 + 487^2 .

It is not a de Polignac number, because 317825 - 2¹⁰ = 316801 is a prime.

It is a super-3 number, since 3×317825³ = 96313113332671875, which contains 333 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 317794 and 317803.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 317825.

It is not an unprimeable number, because it can be changed into a prime (317827) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6332 + ... + 6381.

It is an arithmetic number, because the mean of its divisors is an integer number (65689).

2³¹⁷⁸²⁵ is an apocalyptic number.

It is an amenable number.

317825 is a deficient number, since it is larger than the sum of its proper divisors (76309).

317825 is a wasteful number, since it uses less digits than its factorization.

317825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12723 (or 12718 counting only the distinct ones).

The product of its digits is 1680, while the sum is 26.

The square root of 317825 is about 563.7597005817. The cubic root of 317825 is about 68.2437188690.

The spelling of 317825 in words is "three hundred seventeen thousand, eight hundred twenty-five".