6478559 has 2 divisors, whose sum is σ = 6478560. Its totient is φ = 6478558.

The previous prime is 6478543. The next prime is 6478567. The reversal of 6478559 is 9558746.

6478559 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 not a de Polignac number, because 6478559 - 2⁴ = 6478543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6478519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3239279 + 3239280.

It is an arithmetic number, because the mean of its divisors is an integer number (3239280).

Almost surely, 2^6478559 is an apocalyptic number.

6478559 is a deficient number, since it is larger than the sum of its proper divisors (1).

6478559 is an equidigital number, since it uses as much as digits as its factorization.

6478559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 302400, while the sum is 44.

The square root of 6478559 is about 2545.3013574035. The cubic root of 6478559 is about 186.4201298203.

The spelling of 6478559 in words is "six million, four hundred seventy-eight thousand, five hundred fifty-nine".