316285 has 12 divisors (see below), whose sum is σ = 408564. Its totient is φ = 234240.

The previous prime is 316271. The next prime is 316291. The reversal of 316285 is 582613.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 80089 + 236196 = 283^2 + 486^2 .

It is not a de Polignac number, because 316285 - 2¹³ = 308093 is a prime.

It is a d-powerful number, because it can be written as 3⁵ + 1 + 2¹⁴ + 6⁷ + 8⁴ + 5⁶ .

It is a Duffinian number.

316285 is a Rhonda number in base 10.

Its product of digits (1440) is a multiple of the sum of its prime factors (144).

316285 is a lucky 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 316285.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5155 + ... + 5215.

It is an arithmetic number, because the mean of its divisors is an integer number (34047).

2³¹⁶²⁸⁵ is an apocalyptic number.

It is an amenable number.

316285 is a deficient number, since it is larger than the sum of its proper divisors (92279).

316285 is an equidigital number, since it uses as much as digits as its factorization.

316285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 83 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 316285 is about 562.3922118949. The cubic root of 316285 is about 68.1333168871.

Adding to 316285 its reverse (582613), we get a palindrome (898898).

The spelling of 316285 in words is "three hundred sixteen thousand, two hundred eighty-five".