316485 has 24 divisors (see below), whose sum is σ = 591864. Its totient is φ = 155520.

The previous prime is 316471. The next prime is 316493. The reversal of 316485 is 584613.

It can be written as a sum of positive squares in 4 ways, for example, as 1764 + 314721 = 42^2 + 561^2 .

It is not a de Polignac number, because 316485 - 2⁴ = 316469 is a prime.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 316485.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 315 + ... + 855.

It is an arithmetic number, because the mean of its divisors is an integer number (24661).

2³¹⁶⁴⁸⁵ is an apocalyptic number.

It is an amenable number.

316485 is a deficient number, since it is larger than the sum of its proper divisors (275379).

316485 is a wasteful number, since it uses less digits than its factorization.

316485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565 (or 562 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 316485 is about 562.5699956450. The cubic root of 316485 is about 68.1476750263.

It can be divided in two parts, 3164 and 85, that added together give a square (3249 = 57²).

The spelling of 316485 in words is "three hundred sixteen thousand, four hundred eighty-five".