324530993 has 2 divisors, whose sum is σ = 324530994. Its totient is φ = 324530992.

The previous prime is 324530981. The next prime is 324531013. The reversal of 324530993 is 399035423.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 247653169 + 76877824 = 15737^2 + 8768^2 .

It is a cyclic number.

It is not a de Polignac number, because 324530993 - 2⁴ = 324530977 is a prime.

It is not a weakly prime, because it can be changed into another prime (324530923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162265496 + 162265497.

It is an arithmetic number, because the mean of its divisors is an integer number (162265497).

Almost surely, 2^324530993 is an apocalyptic number.

It is an amenable number.

324530993 is a deficient number, since it is larger than the sum of its proper divisors (1).

324530993 is an equidigital number, since it uses as much as digits as its factorization.

324530993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 87480, while the sum is 38.

The square root of 324530993 is about 18014.7437672591. The cubic root of 324530993 is about 687.2035476913.

It can be divided in two parts, 324530 and 993, that added together give a palindrome (325523).

The spelling of 324530993 in words is "three hundred twenty-four million, five hundred thirty thousand, nine hundred ninety-three".