313963 has 4 divisors (see below), whose sum is σ = 338128. Its totient is φ = 289800.

The previous prime is 313961. The next prime is 313969. The reversal of 313963 is 369313.

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 313963 - 2¹ = 313961 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313961) 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, 12063 + ... + 12088.

It is an arithmetic number, because the mean of its divisors is an integer number (84532).

2³¹³⁹⁶³ is an apocalyptic number.

313963 is a deficient number, since it is larger than the sum of its proper divisors (24165).

313963 is a wasteful number, since it uses less digits than its factorization.

313963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24164.

The product of its digits is 1458, while the sum is 25.

The square root of 313963 is about 560.3240134065. The cubic root of 313963 is about 67.9661740645.

The spelling of 313963 in words is "three hundred thirteen thousand, nine hundred sixty-three".