6567971 has 2 divisors, whose sum is σ = 6567972. Its totient is φ = 6567970.

The previous prime is 6567961. The next prime is 6568027. The reversal of 6567971 is 1797656.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6567971 - 2²² = 2373667 is a prime.

It is a Chen prime.

It is a plaindrome in base 12.

It is not a weakly prime, because it can be changed into another prime (6567941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3283985 + 3283986.

It is an arithmetic number, because the mean of its divisors is an integer number (3283986).

Almost surely, 2^6567971 is an apocalyptic number.

6567971 is a deficient number, since it is larger than the sum of its proper divisors (1).

6567971 is an equidigital number, since it uses as much as digits as its factorization.

6567971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 79380, while the sum is 41.

The square root of 6567971 is about 2562.8052988864. The cubic root of 6567971 is about 187.2738226842.

The spelling of 6567971 in words is "six million, five hundred sixty-seven thousand, nine hundred seventy-one".