5220135313 has 2 divisors, whose sum is σ = 5220135314. Its totient is φ = 5220135312.

The previous prime is 5220135281. The next prime is 5220135317. The reversal of 5220135313 is 3135310225.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3406823424 + 1813311889 = 58368^2 + 42583^2 .

It is a cyclic number.

It is not a de Polignac number, because 5220135313 - 2⁵ = 5220135281 is a prime.

It is not a weakly prime, because it can be changed into another prime (5220135317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2610067656 + 2610067657.

It is an arithmetic number, because the mean of its divisors is an integer number (2610067657).

Almost surely, 2^5220135313 is an apocalyptic number.

It is an amenable number.

5220135313 is a deficient number, since it is larger than the sum of its proper divisors (1).

5220135313 is an equidigital number, since it uses as much as digits as its factorization.

5220135313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 5220135313 is about 72250.5038944366. The cubic root of 5220135313 is about 1734.7114838871.

Adding to 5220135313 its reverse (3135310225), we get a palindrome (8355445538).

The spelling of 5220135313 in words is "five billion, two hundred twenty million, one hundred thirty-five thousand, three hundred thirteen".