322945013 has 2 divisors, whose sum is σ = 322945014. Its totient is φ = 322945012.

The previous prime is 322944997. The next prime is 322945019. The reversal of 322945013 is 310549223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 319765924 + 3179089 = 17882^2 + 1783^2 .

It is a cyclic number.

It is not a de Polignac number, because 322945013 - 2⁴ = 322944997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (322945019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161472506 + 161472507.

It is an arithmetic number, because the mean of its divisors is an integer number (161472507).

Almost surely, 2^322945013 is an apocalyptic number.

It is an amenable number.

322945013 is a deficient number, since it is larger than the sum of its proper divisors (1).

322945013 is an equidigital number, since it uses as much as digits as its factorization.

322945013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 322945013 is about 17970.6709112376. The cubic root of 322945013 is about 686.0822666514.

The spelling of 322945013 in words is "three hundred twenty-two million, nine hundred forty-five thousand, thirteen".