324242213 has 2 divisors, whose sum is σ = 324242214. Its totient is φ = 324242212.

The previous prime is 324242189. The next prime is 324242221. The reversal of 324242213 is 312242423.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 173001409 + 151240804 = 13153^2 + 12298^2 .

It is a cyclic number.

It is not a de Polignac number, because 324242213 - 2²² = 320047909 is a prime.

It is a super-2 number, since 2×324242213² = 210266025382274738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (324242273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162121106 + 162121107.

It is an arithmetic number, because the mean of its divisors is an integer number (162121107).

Almost surely, 2^324242213 is an apocalyptic number.

It is an amenable number.

324242213 is a deficient number, since it is larger than the sum of its proper divisors (1).

324242213 is an equidigital number, since it uses as much as digits as its factorization.

324242213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 23.

The square root of 324242213 is about 18006.7268819183. The cubic root of 324242213 is about 686.9996539319. Note that the first 3 decimals are identical.

Adding to 324242213 its reverse (312242423), we get a palindrome (636484636).

The spelling of 324242213 in words is "three hundred twenty-four million, two hundred forty-two thousand, two hundred thirteen".