6546667 has 2 divisors, whose sum is σ = 6546668. Its totient is φ = 6546666.

The previous prime is 6546647. The next prime is 6546671. The reversal of 6546667 is 7666456.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6546667 - 2⁷ = 6546539 is a prime.

It is not a weakly prime, because it can be changed into another prime (6546607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3273333 + 3273334.

It is an arithmetic number, because the mean of its divisors is an integer number (3273334).

Almost surely, 2^6546667 is an apocalyptic number.

6546667 is a deficient number, since it is larger than the sum of its proper divisors (1).

6546667 is an equidigital number, since it uses as much as digits as its factorization.

6546667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 40.

The square root of 6546667 is about 2558.6455401247. The cubic root of 6546667 is about 187.0711216786.

The spelling of 6546667 in words is "six million, five hundred forty-six thousand, six hundred sixty-seven".