324064021 has 2 divisors, whose sum is σ = 324064022. Its totient is φ = 324064020.

The previous prime is 324064007. The next prime is 324064033. The reversal of 324064021 is 120460423.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 239166225 + 84897796 = 15465^2 + 9214^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-324064021 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 324063983 and 324064001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (324064051) 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, 162032010 + 162032011.

It is an arithmetic number, because the mean of its divisors is an integer number (162032011).

Almost surely, 2^324064021 is an apocalyptic number.

It is an amenable number.

324064021 is a deficient number, since it is larger than the sum of its proper divisors (1).

324064021 is an equidigital number, since it uses as much as digits as its factorization.

324064021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 324064021 is about 18001.7782732707. The cubic root of 324064021 is about 686.8737806703.

The spelling of 324064021 in words is "three hundred twenty-four million, sixty-four thousand, twenty-one".