322945057 has 2 divisors, whose sum is σ = 322945058. Its totient is φ = 322945056.

The previous prime is 322945043. The next prime is 322945099. The reversal of 322945057 is 750549223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 312440976 + 10504081 = 17676^2 + 3241^2 .

It is an emirp because it is prime and its reverse (750549223) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 322945057 - 2⁷ = 322944929 is a prime.

It is equal to p_17425459 and since 322945057 and 17425459 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (322945027) 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, 161472528 + 161472529.

It is an arithmetic number, because the mean of its divisors is an integer number (161472529).

Almost surely, 2^322945057 is an apocalyptic number.

It is an amenable number.

322945057 is a deficient number, since it is larger than the sum of its proper divisors (1).

322945057 is an equidigital number, since it uses as much as digits as its factorization.

322945057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 322945057 is about 17970.6721354545. The cubic root of 322945057 is about 686.0822978101.

The spelling of 322945057 in words is "three hundred twenty-two million, nine hundred forty-five thousand, fifty-seven".