6471967 has 2 divisors, whose sum is σ = 6471968. Its totient is φ = 6471966.

The previous prime is 6471953. The next prime is 6471977. The reversal of 6471967 is 7691746.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6471967 - 2¹¹ = 6469919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6471977) 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, 3235983 + 3235984.

It is an arithmetic number, because the mean of its divisors is an integer number (3235984).

Almost surely, 2^6471967 is an apocalyptic number.

6471967 is a deficient number, since it is larger than the sum of its proper divisors (1).

6471967 is an equidigital number, since it uses as much as digits as its factorization.

6471967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504, while the sum is 40.

The square root of 6471967 is about 2544.0060927600. The cubic root of 6471967 is about 186.3568802339.

The spelling of 6471967 in words is "six million, four hundred seventy-one thousand, nine hundred sixty-seven".