6547917223 has 2 divisors, whose sum is σ = 6547917224. Its totient is φ = 6547917222.

The previous prime is 6547917157. The next prime is 6547917253. The reversal of 6547917223 is 3227197456.

6547917223 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6547917223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6547917253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3273958611 + 3273958612.

It is an arithmetic number, because the mean of its divisors is an integer number (3273958612).

Almost surely, 2^6547917223 is an apocalyptic number.

6547917223 is a deficient number, since it is larger than the sum of its proper divisors (1).

6547917223 is an equidigital number, since it uses as much as digits as its factorization.

6547917223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 635040, while the sum is 46.

The square root of 6547917223 is about 80919.2018188514. The cubic root of 6547917223 is about 1870.8302930185.

The spelling of 6547917223 in words is "six billion, five hundred forty-seven million, nine hundred seventeen thousand, two hundred twenty-three".