313539 has 4 divisors (see below), whose sum is σ = 418056. Its totient is φ = 209024.

The previous prime is 313517. The next prime is 313543. The reversal of 313539 is 935313.

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

It is a cyclic number.

It is not a de Polignac number, because 313539 - 2⁵ = 313507 is a prime.

It is a D-number.

313539 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 313539.

It is not an unprimeable number, because it can be changed into a prime (313549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52254 + ... + 52259.

It is an arithmetic number, because the mean of its divisors is an integer number (104514).

2³¹³⁵³⁹ is an apocalyptic number.

313539 is a deficient number, since it is larger than the sum of its proper divisors (104517).

313539 is a wasteful number, since it uses less digits than its factorization.

313539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104516.

The product of its digits is 1215, while the sum is 24.

The square root of 313539 is about 559.9455330655. The cubic root of 313539 is about 67.9355646827.

It can be divided in two parts, 3135 and 39, that multiplied together give a triangular number (122265 = T₄₉₄).

The spelling of 313539 in words is "three hundred thirteen thousand, five hundred thirty-nine".