670304317 has 2 divisors, whose sum is σ = 670304318. Its totient is φ = 670304316.

The previous prime is 670304291. The next prime is 670304353. The reversal of 670304317 is 713403076.

670304317 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 483736036 + 186568281 = 21994^2 + 13659^2 .

It is a cyclic number.

It is not a de Polignac number, because 670304317 - 2⁷ = 670304189 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (670304357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335152158 + 335152159.

It is an arithmetic number, because the mean of its divisors is an integer number (335152159).

Almost surely, 2^670304317 is an apocalyptic number.

It is an amenable number.

670304317 is a deficient number, since it is larger than the sum of its proper divisors (1).

670304317 is an equidigital number, since it uses as much as digits as its factorization.

670304317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 670304317 is about 25890.2359394425. The cubic root of 670304317 is about 875.1664736860.

The spelling of 670304317 in words is "six hundred seventy million, three hundred four thousand, three hundred seventeen".