313472609 has 2 divisors, whose sum is σ = 313472610. Its totient is φ = 313472608.

The previous prime is 313472587. The next prime is 313472611. The reversal of 313472609 is 906274313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 172528225 + 140944384 = 13135^2 + 11872^2 .

It is a cyclic number.

It is not a de Polignac number, because 313472609 - 2⁸ = 313472353 is a prime.

Together with 313472611, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (313472689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156736304 + 156736305.

It is an arithmetic number, because the mean of its divisors is an integer number (156736305).

Almost surely, 2^313472609 is an apocalyptic number.

It is an amenable number.

313472609 is a deficient number, since it is larger than the sum of its proper divisors (1).

313472609 is an equidigital number, since it uses as much as digits as its factorization.

313472609 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 35.

The square root of 313472609 is about 17705.1576948639. The cubic root of 313472609 is about 679.3076928936.

The spelling of 313472609 in words is "three hundred thirteen million, four hundred seventy-two thousand, six hundred nine".