313613563 has 16 divisors (see below), whose sum is σ = 338480640. Its totient is φ = 289634400.

The previous prime is 313613557. The next prime is 313613567. The reversal of 313613563 is 365316313.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313613563 is a prime.

It is a super-3 number, since 3×313613563³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

313613563 is a Rhonda number in base 10.

Its product of digits (14580) is a multiple of the sum of its prime divisors (1458).

It is not an unprimeable number, because it can be changed into a prime (313613567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 295053 + ... + 296113.

It is an arithmetic number, because the mean of its divisors is an integer number (21155040).

Almost surely, 2^313613563 is an apocalyptic number.

313613563 is a deficient number, since it is larger than the sum of its proper divisors (24867077).

313613563 is a wasteful number, since it uses less digits than its factorization.

313613563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458.

The product of its digits is 14580, while the sum is 31.

The square root of 313613563 is about 17709.1378389802. The cubic root of 313613563 is about 679.4094952901.

Adding to 313613563 its reverse (365316313), we get a palindrome (678929876).

The spelling of 313613563 in words is "three hundred thirteen million, six hundred thirteen thousand, five hundred sixty-three".