321334049 has 2 divisors, whose sum is σ = 321334050. Its totient is φ = 321334048.

The previous prime is 321334021. The next prime is 321334067. The reversal of 321334049 is 940433123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 251444449 + 69889600 = 15857^2 + 8360^2 .

It is a cyclic number.

It is not a de Polignac number, because 321334049 - 2¹⁶ = 321268513 is a prime.

It is not a weakly prime, because it can be changed into another prime (321334019) 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, 160667024 + 160667025.

It is an arithmetic number, because the mean of its divisors is an integer number (160667025).

Almost surely, 2^321334049 is an apocalyptic number.

It is an amenable number.

321334049 is a deficient number, since it is larger than the sum of its proper divisors (1).

321334049 is an equidigital number, since it uses as much as digits as its factorization.

321334049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 321334049 is about 17925.7928416012. The cubic root of 321334049 is about 684.9395574211.

The spelling of 321334049 in words is "three hundred twenty-one million, three hundred thirty-four thousand, forty-nine".