324875921 has 2 divisors, whose sum is σ = 324875922. Its totient is φ = 324875920.

The previous prime is 324875869. The next prime is 324875963. The reversal of 324875921 is 129578423.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 306075025 + 18800896 = 17495^2 + 4336^2 .

It is a cyclic number.

It is not a de Polignac number, because 324875921 - 2¹⁸ = 324613777 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (324875521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162437960 + 162437961.

It is an arithmetic number, because the mean of its divisors is an integer number (162437961).

Almost surely, 2^324875921 is an apocalyptic number.

It is an amenable number.

324875921 is a deficient number, since it is larger than the sum of its proper divisors (1).

324875921 is an equidigital number, since it uses as much as digits as its factorization.

324875921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 41.

The square root of 324875921 is about 18024.3147165156. The cubic root of 324875921 is about 687.4469264153.

The spelling of 324875921 in words is "three hundred twenty-four million, eight hundred seventy-five thousand, nine hundred twenty-one".