322491713 has 2 divisors, whose sum is σ = 322491714. Its totient is φ = 322491712.

The previous prime is 322491679. The next prime is 322491749. The reversal of 322491713 is 317194223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 321556624 + 935089 = 17932^2 + 967^2 .

It is an emirp because it is prime and its reverse (317194223) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 322491713 - 2¹⁰ = 322490689 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 322491713.

It is not a weakly prime, because it can be changed into another prime (322491913) 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, 161245856 + 161245857.

It is an arithmetic number, because the mean of its divisors is an integer number (161245857).

Almost surely, 2^322491713 is an apocalyptic number.

It is an amenable number.

322491713 is a deficient number, since it is larger than the sum of its proper divisors (1).

322491713 is an equidigital number, since it uses as much as digits as its factorization.

322491713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 32.

The square root of 322491713 is about 17958.0542654264. The cubic root of 322491713 is about 685.7611111356.

The spelling of 322491713 in words is "three hundred twenty-two million, four hundred ninety-one thousand, seven hundred thirteen".