313620589 has 2 divisors, whose sum is σ = 313620590. Its totient is φ = 313620588.

The previous prime is 313620553. The next prime is 313620653. The reversal of 313620589 is 985026313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 303804900 + 9815689 = 17430^2 + 3133^2 .

It is a cyclic number.

It is not a de Polignac number, because 313620589 - 2²¹ = 311523437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313620509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156810294 + 156810295.

It is an arithmetic number, because the mean of its divisors is an integer number (156810295).

Almost surely, 2^313620589 is an apocalyptic number.

It is an amenable number.

313620589 is a deficient number, since it is larger than the sum of its proper divisors (1).

313620589 is an equidigital number, since it uses as much as digits as its factorization.

313620589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 313620589 is about 17709.3362100334. The cubic root of 313620589 is about 679.4145689392.

The spelling of 313620589 in words is "three hundred thirteen million, six hundred twenty thousand, five hundred eighty-nine".