316585 has 4 divisors (see below), whose sum is σ = 379908. Its totient is φ = 253264.

The previous prime is 316583. The next prime is 316621. The reversal of 316585 is 585613.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 59536 + 257049 = 244^2 + 507^2 .

It is a cyclic number.

It is not a de Polignac number, because 316585 - 2¹ = 316583 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (316583) 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, 31654 + ... + 31663.

It is an arithmetic number, because the mean of its divisors is an integer number (94977).

2³¹⁶⁵⁸⁵ is an apocalyptic number.

It is an amenable number.

316585 is a deficient number, since it is larger than the sum of its proper divisors (63323).

316585 is an equidigital number, since it uses as much as digits as its factorization.

316585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63322.

The product of its digits is 3600, while the sum is 28.

The square root of 316585 is about 562.6588664546. The cubic root of 316585 is about 68.1548518276.

Adding to 316585 its sum of digits (28), we get a palindrome (316613).

The spelling of 316585 in words is "three hundred sixteen thousand, five hundred eighty-five".