313538 has 16 divisors (see below), whose sum is σ = 510720. Its totient is φ = 143856.

The previous prime is 313517. The next prime is 313543. The reversal of 313538 is 835313.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1295 + ... + 1517.

It is an arithmetic number, because the mean of its divisors is an integer number (31920).

2³¹³⁵³⁸ is an apocalyptic number.

313538 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

313538 is a deficient number, since it is larger than the sum of its proper divisors (197182).

313538 is a wasteful number, since it uses less digits than its factorization.

313538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281.

The product of its digits is 1080, while the sum is 23.

The square root of 313538 is about 559.9446401208. The cubic root of 313538 is about 67.9354924581.

The spelling of 313538 in words is "three hundred thirteen thousand, five hundred thirty-eight".