670566593 has 2 divisors, whose sum is σ = 670566594. Its totient is φ = 670566592.

The previous prime is 670566569. The next prime is 670566641. The reversal of 670566593 is 395665076.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 496933264 + 173633329 = 22292^2 + 13177^2 .

It is a cyclic number.

It is not a de Polignac number, because 670566593 - 2²⁴ = 653789377 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 (670560593) 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, 335283296 + 335283297.

It is an arithmetic number, because the mean of its divisors is an integer number (335283297).

Almost surely, 2^670566593 is an apocalyptic number.

It is an amenable number.

670566593 is a deficient number, since it is larger than the sum of its proper divisors (1).

670566593 is an equidigital number, since it uses as much as digits as its factorization.

670566593 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1020600, while the sum is 47.

The square root of 670566593 is about 25895.3005968264. The cubic root of 670566593 is about 875.2806035547.

The spelling of 670566593 in words is "six hundred seventy million, five hundred sixty-six thousand, five hundred ninety-three".