324544013 has 2 divisors, whose sum is σ = 324544014. Its totient is φ = 324544012.

The previous prime is 324544009. The next prime is 324544019. The reversal of 324544013 is 310445423.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 321592489 + 2951524 = 17933^2 + 1718^2 .

It is a cyclic number.

It is not a de Polignac number, because 324544013 - 2² = 324544009 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (324544019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162272006 + 162272007.

It is an arithmetic number, because the mean of its divisors is an integer number (162272007).

Almost surely, 2^324544013 is an apocalyptic number.

It is an amenable number.

324544013 is a deficient number, since it is larger than the sum of its proper divisors (1).

324544013 is an equidigital number, since it uses as much as digits as its factorization.

324544013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 324544013 is about 18015.1051343033. The cubic root of 324544013 is about 687.2127376410.

Adding to 324544013 its reverse (310445423), we get a palindrome (634989436).

The spelling of 324544013 in words is "three hundred twenty-four million, five hundred forty-four thousand, thirteen".