320597452013 has 2 divisors, whose sum is σ = 320597452014. Its totient is φ = 320597452012.

The previous prime is 320597451961. The next prime is 320597452051. The reversal of 320597452013 is 310254795023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 223703458729 + 96893993284 = 472973^2 + 311278^2 .

It is an emirp because it is prime and its reverse (310254795023) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 320597452013 - 2²⁰ = 320596403437 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320597412013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160298726006 + 160298726007.

It is an arithmetic number, because the mean of its divisors is an integer number (160298726007).

Almost surely, 2^320597452013 is an apocalyptic number.

It is an amenable number.

320597452013 is a deficient number, since it is larger than the sum of its proper divisors (1).

320597452013 is an equidigital number, since it uses as much as digits as its factorization.

320597452013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226800, while the sum is 41.

The spelling of 320597452013 in words is "three hundred twenty billion, five hundred ninety-seven million, four hundred fifty-two thousand, thirteen".