6517982227 has 2 divisors, whose sum is σ = 6517982228. Its totient is φ = 6517982226.

The previous prime is 6517982201. The next prime is 6517982249. The reversal of 6517982227 is 7222897156.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6517982227 - 2⁷ = 6517982099 is a prime.

It is a super-2 number, since 2×6517982227² = 84968184622975759058, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6517982287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3258991113 + 3258991114.

It is an arithmetic number, because the mean of its divisors is an integer number (3258991114).

Almost surely, 2^6517982227 is an apocalyptic number.

6517982227 is a deficient number, since it is larger than the sum of its proper divisors (1).

6517982227 is an equidigital number, since it uses as much as digits as its factorization.

6517982227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 846720, while the sum is 49.

The square root of 6517982227 is about 80734.0214965166. The cubic root of 6517982227 is about 1867.9749902844.

The spelling of 6517982227 in words is "six billion, five hundred seventeen million, nine hundred eighty-two thousand, two hundred twenty-seven".