6678271 has 2 divisors, whose sum is σ = 6678272. Its totient is φ = 6678270.

The previous prime is 6678247. The next prime is 6678281. The reversal of 6678271 is 1728766.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6678271 - 2⁷ = 6678143 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6678271.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6678281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3339135 + 3339136.

It is an arithmetic number, because the mean of its divisors is an integer number (3339136).

Almost surely, 2^6678271 is an apocalyptic number.

6678271 is a deficient number, since it is larger than the sum of its proper divisors (1).

6678271 is an equidigital number, since it uses as much as digits as its factorization.

6678271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28224, while the sum is 37.

The square root of 6678271 is about 2584.2350899251. The cubic root of 6678271 is about 188.3163434348.

The spelling of 6678271 in words is "six million, six hundred seventy-eight thousand, two hundred seventy-one".