6478567 has 2 divisors, whose sum is σ = 6478568. Its totient is φ = 6478566.

The previous prime is 6478559. The next prime is 6478579. The reversal of 6478567 is 7658746.

6478567 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6478567 - 2³ = 6478559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6478267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3239283 + 3239284.

It is an arithmetic number, because the mean of its divisors is an integer number (3239284).

Almost surely, 2^6478567 is an apocalyptic number.

6478567 is a deficient number, since it is larger than the sum of its proper divisors (1).

6478567 is an equidigital number, since it uses as much as digits as its factorization.

6478567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 282240, while the sum is 43.

The square root of 6478567 is about 2545.3029289261. The cubic root of 6478567 is about 186.4202065534.

The spelling of 6478567 in words is "six million, four hundred seventy-eight thousand, five hundred sixty-seven".