313265563 has 16 divisors (see below), whose sum is σ = 345080736. Its totient is φ = 282597120.

The previous prime is 313265549. The next prime is 313265567. The reversal of 313265563 is 365562313.

It is a de Polignac number, because none of the positive numbers 2^k-313265563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (313265567) 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, 210783 + ... + 212263.

It is an arithmetic number, because the mean of its divisors is an integer number (21567546).

Almost surely, 2^313265563 is an apocalyptic number.

313265563 is a deficient number, since it is larger than the sum of its proper divisors (31815173).

313265563 is a wasteful number, since it uses less digits than its factorization.

313265563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1854.

The product of its digits is 48600, while the sum is 34.

The square root of 313265563 is about 17699.3096758037. The cubic root of 313265563 is about 679.1581009638.

The spelling of 313265563 in words is "three hundred thirteen million, two hundred sixty-five thousand, five hundred sixty-three".