6478117 has 2 divisors, whose sum is σ = 6478118. Its totient is φ = 6478116.

The previous prime is 6478103. The next prime is 6478187. The reversal of 6478117 is 7118746.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4124961 + 2353156 = 2031^2 + 1534^2 .

It is a cyclic number.

It is not a de Polignac number, because 6478117 - 2¹¹ = 6476069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6478187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3239058 + 3239059.

It is an arithmetic number, because the mean of its divisors is an integer number (3239059).

Almost surely, 2^6478117 is an apocalyptic number.

It is an amenable number.

6478117 is a deficient number, since it is larger than the sum of its proper divisors (1).

6478117 is an equidigital number, since it uses as much as digits as its factorization.

6478117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9408, while the sum is 34.

The square root of 6478117 is about 2545.2145292686. The cubic root of 6478117 is about 186.4158902164.

The spelling of 6478117 in words is "six million, four hundred seventy-eight thousand, one hundred seventeen".