316245 has 16 divisors (see below), whose sum is σ = 524160. Its totient is φ = 162624.

The previous prime is 316243. The next prime is 316259. The reversal of 316245 is 542613.

It is a happy number.

It is not a de Polignac number, because 316245 - 2¹ = 316243 is a prime.

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 316245.

It is not an unprimeable number, because it can be changed into a prime (316241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72 + ... + 798.

It is an arithmetic number, because the mean of its divisors is an integer number (32760).

2³¹⁶²⁴⁵ is an apocalyptic number.

It is an amenable number.

316245 is a deficient number, since it is larger than the sum of its proper divisors (207915).

316245 is a wasteful number, since it uses less digits than its factorization.

316245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764.

The product of its digits is 720, while the sum is 21.

The square root of 316245 is about 562.3566484003. The cubic root of 316245 is about 68.1304445330.

Adding to 316245 its reverse (542613), we get a palindrome (858858).

It can be divided in two parts, 316 and 245, that added together give a triangular number (561 = T₃₃).

The spelling of 316245 in words is "three hundred sixteen thousand, two hundred forty-five".