6520226117 has 2 divisors, whose sum is σ = 6520226118. Its totient is φ = 6520226116.

The previous prime is 6520226051. The next prime is 6520226131. The reversal of 6520226117 is 7116220256.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4208635876 + 2311590241 = 64874^2 + 48079^2 .

It is a cyclic number.

It is not a de Polignac number, because 6520226117 - 2¹⁰ = 6520225093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6520226137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3260113058 + 3260113059.

It is an arithmetic number, because the mean of its divisors is an integer number (3260113059).

Almost surely, 2^6520226117 is an apocalyptic number.

It is an amenable number.

6520226117 is a deficient number, since it is larger than the sum of its proper divisors (1).

6520226117 is an equidigital number, since it uses as much as digits as its factorization.

6520226117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 6520226117 is about 80747.9171062635. The cubic root of 6520226117 is about 1868.1893229492.

It can be divided in two parts, 65202 and 26117, that added together give a palindrome (91319).

The spelling of 6520226117 in words is "six billion, five hundred twenty million, two hundred twenty-six thousand, one hundred seventeen".