324442513 has 2 divisors, whose sum is σ = 324442514. Its totient is φ = 324442512.

The previous prime is 324442453. The next prime is 324442519. The reversal of 324442513 is 315244423.

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., 324288064 + 154449 = 18008^2 + 393^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-324442513 is a prime.

It is not a weakly prime, because it can be changed into another prime (324442519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162221256 + 162221257.

It is an arithmetic number, because the mean of its divisors is an integer number (162221257).

Almost surely, 2^324442513 is an apocalyptic number.

It is an amenable number.

324442513 is a deficient number, since it is larger than the sum of its proper divisors (1).

324442513 is an equidigital number, since it uses as much as digits as its factorization.

324442513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 28.

The square root of 324442513 is about 18012.2878335874. The cubic root of 324442513 is about 687.1410890480.

Adding to 324442513 its reverse (315244423), we get a palindrome (639686936).

The spelling of 324442513 in words is "three hundred twenty-four million, four hundred forty-two thousand, five hundred thirteen".