313645567 has 2 divisors, whose sum is σ = 313645568. Its totient is φ = 313645566.

The previous prime is 313645561. The next prime is 313645583. The reversal of 313645567 is 765546313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 313645567 - 2⁷ = 313645439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313645561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156822783 + 156822784.

It is an arithmetic number, because the mean of its divisors is an integer number (156822784).

Almost surely, 2^313645567 is an apocalyptic number.

313645567 is a deficient number, since it is larger than the sum of its proper divisors (1).

313645567 is an equidigital number, since it uses as much as digits as its factorization.

313645567 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 40.

The square root of 313645567 is about 17710.0414172299. The cubic root of 313645567 is about 679.4326055596.

The spelling of 313645567 in words is "three hundred thirteen million, six hundred forty-five thousand, five hundred sixty-seven".