316538 has 4 divisors (see below), whose sum is σ = 474810. Its totient is φ = 158268.

The previous prime is 316531. The next prime is 316567. The reversal of 316538 is 835613.

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

It can be written as a sum of positive squares in only one way, i.e., 277729 + 38809 = 527^2 + 197^2 .

It is not an unprimeable number, because it can be changed into a prime (316531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79133 + ... + 79136.

2³¹⁶⁵³⁸ is an apocalyptic number.

316538 is a deficient number, since it is larger than the sum of its proper divisors (158272).

316538 is a wasteful number, since it uses less digits than its factorization.

316538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158271.

The product of its digits is 2160, while the sum is 26.

The square root of 316538 is about 562.6170989225. The cubic root of 316538 is about 68.1514789193.

The spelling of 316538 in words is "three hundred sixteen thousand, five hundred thirty-eight".