324421091 has 2 divisors, whose sum is σ = 324421092. Its totient is φ = 324421090.

The previous prime is 324421063. The next prime is 324421093. The reversal of 324421091 is 190124423.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 324421091 - 2¹⁰ = 324420067 is a prime.

Together with 324421093, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 324421091.

It is not a weakly prime, because it can be changed into another prime (324421093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162210545 + 162210546.

It is an arithmetic number, because the mean of its divisors is an integer number (162210546).

Almost surely, 2^324421091 is an apocalyptic number.

324421091 is a deficient number, since it is larger than the sum of its proper divisors (1).

324421091 is an equidigital number, since it uses as much as digits as its factorization.

324421091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 324421091 is about 18011.6931741577. The cubic root of 324421091 is about 687.1259654028.

It can be divided in two parts, 32442 and 1091, that added together give a palindrome (33533).

The spelling of 324421091 in words is "three hundred twenty-four million, four hundred twenty-one thousand, ninety-one".