313708609 has 2 divisors, whose sum is σ = 313708610. Its totient is φ = 313708608.

The previous prime is 313708583. The next prime is 313708621. The reversal of 313708609 is 906807313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 313290000 + 418609 = 17700^2 + 647^2 .

It is a cyclic number.

It is not a de Polignac number, because 313708609 - 2⁷ = 313708481 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (313708009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156854304 + 156854305.

It is an arithmetic number, because the mean of its divisors is an integer number (156854305).

Almost surely, 2^313708609 is an apocalyptic number.

It is an amenable number.

313708609 is a deficient number, since it is larger than the sum of its proper divisors (1).

313708609 is an equidigital number, since it uses as much as digits as its factorization.

313708609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 313708609 is about 17711.8211655380. The cubic root of 313708609 is about 679.4781239466.

The spelling of 313708609 in words is "three hundred thirteen million, seven hundred eight thousand, six hundred nine".