6351971 has 2 divisors, whose sum is σ = 6351972. Its totient is φ = 6351970.

The previous prime is 6351967. The next prime is 6351973. The reversal of 6351971 is 1791536.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6351971 - 2² = 6351967 is a prime.

Together with 6351973, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6351973) 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, 3175985 + 3175986.

It is an arithmetic number, because the mean of its divisors is an integer number (3175986).

Almost surely, 2^6351971 is an apocalyptic number.

6351971 is a deficient number, since it is larger than the sum of its proper divisors (1).

6351971 is an equidigital number, since it uses as much as digits as its factorization.

6351971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5670, while the sum is 32.

The square root of 6351971 is about 2520.3116870736. The cubic root of 6351971 is about 185.1979473639.

The spelling of 6351971 in words is "six million, three hundred fifty-one thousand, nine hundred seventy-one".