5215320113 has 2 divisors, whose sum is σ = 5215320114. Its totient is φ = 5215320112.

The previous prime is 5215320053. The next prime is 5215320157. The reversal of 5215320113 is 3110235125.

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., 4190231824 + 1025088289 = 64732^2 + 32017^2 .

It is a cyclic number.

It is not a de Polignac number, because 5215320113 - 2¹⁰ = 5215319089 is a prime.

It is not a weakly prime, because it can be changed into another prime (5215320413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2607660056 + 2607660057.

It is an arithmetic number, because the mean of its divisors is an integer number (2607660057).

Almost surely, 2^5215320113 is an apocalyptic number.

It is an amenable number.

5215320113 is a deficient number, since it is larger than the sum of its proper divisors (1).

5215320113 is an equidigital number, since it uses as much as digits as its factorization.

5215320113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 5215320113 is about 72217.1732553968. The cubic root of 5215320113 is about 1734.1779375391.

Adding to 5215320113 its reverse (3110235125), we get a palindrome (8325555238).

The spelling of 5215320113 in words is "five billion, two hundred fifteen million, three hundred twenty thousand, one hundred thirteen".