313563673 has 2 divisors, whose sum is σ = 313563674. Its totient is φ = 313563672.

The previous prime is 313563659. The next prime is 313563683. The reversal of 313563673 is 376365313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 195776064 + 117787609 = 13992^2 + 10853^2 .

It is an emirp because it is prime and its reverse (376365313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 313563673 - 2²⁵ = 280009241 is a prime.

It is not a weakly prime, because it can be changed into another prime (313563683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156781836 + 156781837.

It is an arithmetic number, because the mean of its divisors is an integer number (156781837).

Almost surely, 2^313563673 is an apocalyptic number.

It is an amenable number.

313563673 is a deficient number, since it is larger than the sum of its proper divisors (1).

313563673 is an equidigital number, since it uses as much as digits as its factorization.

313563673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 102060, while the sum is 37.

The square root of 313563673 is about 17707.7291881257. The cubic root of 313563673 is about 679.3734663028.

The spelling of 313563673 in words is "three hundred thirteen million, five hundred sixty-three thousand, six hundred seventy-three".