6395671 has 2 divisors, whose sum is σ = 6395672. Its totient is φ = 6395670.

The previous prime is 6395663. The next prime is 6395677. The reversal of 6395671 is 1765936.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6395671 - 2³ = 6395663 is a prime.

6395671 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 6395671.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6395677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3197835 + 3197836.

It is an arithmetic number, because the mean of its divisors is an integer number (3197836).

Almost surely, 2^6395671 is an apocalyptic number.

6395671 is a deficient number, since it is larger than the sum of its proper divisors (1).

6395671 is an equidigital number, since it uses as much as digits as its factorization.

6395671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34020, while the sum is 37.

The square root of 6395671 is about 2528.9663896541. The cubic root of 6395671 is about 185.6216825732.

The spelling of 6395671 in words is "six million, three hundred ninety-five thousand, six hundred seventy-one".