313475489 has 2 divisors, whose sum is σ = 313475490. Its totient is φ = 313475488.

The previous prime is 313475483. The next prime is 313475501. The reversal of 313475489 is 984574313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 313467025 + 8464 = 17705^2 + 92^2 .

It is a cyclic number.

It is not a de Polignac number, because 313475489 - 2⁴ = 313475473 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (313475483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156737744 + 156737745.

It is an arithmetic number, because the mean of its divisors is an integer number (156737745).

Almost surely, 2^313475489 is an apocalyptic number.

It is an amenable number.

313475489 is a deficient number, since it is larger than the sum of its proper divisors (1).

313475489 is an equidigital number, since it uses as much as digits as its factorization.

313475489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 44.

The square root of 313475489 is about 17705.2390269095. The cubic root of 313475489 is about 679.3097732457.

The spelling of 313475489 in words is "three hundred thirteen million, four hundred seventy-five thousand, four hundred eighty-nine".