324520241 has 2 divisors, whose sum is σ = 324520242. Its totient is φ = 324520240.

The previous prime is 324520223. The next prime is 324520243. The reversal of 324520241 is 142025423.

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., 323856016 + 664225 = 17996^2 + 815^2 .

It is an emirp because it is prime and its reverse (142025423) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-324520241 is a prime.

Together with 324520243, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (324520243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162260120 + 162260121.

It is an arithmetic number, because the mean of its divisors is an integer number (162260121).

Almost surely, 2^324520241 is an apocalyptic number.

It is an amenable number.

324520241 is a deficient number, since it is larger than the sum of its proper divisors (1).

324520241 is an equidigital number, since it uses as much as digits as its factorization.

324520241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 324520241 is about 18014.4453425577. The cubic root of 324520241 is about 687.1959583862.

Adding to 324520241 its reverse (142025423), we get a palindrome (466545664).

The spelling of 324520241 in words is "three hundred twenty-four million, five hundred twenty thousand, two hundred forty-one".