6671271 has 4 divisors (see below), whose sum is σ = 8895032. Its totient is φ = 4447512.

The previous prime is 6671263. The next prime is 6671281. The reversal of 6671271 is 1721766.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6671271 - 2³ = 6671263 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6671201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1111876 + ... + 1111881.

It is an arithmetic number, because the mean of its divisors is an integer number (2223758).

Almost surely, 2^6671271 is an apocalyptic number.

6671271 is a deficient number, since it is larger than the sum of its proper divisors (2223761).

6671271 is a wasteful number, since it uses less digits than its factorization.

6671271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2223760.

The product of its digits is 3528, while the sum is 30.

The square root of 6671271 is about 2582.8803688905. The cubic root of 6671271 is about 188.2505242407.

The spelling of 6671271 in words is "six million, six hundred seventy-one thousand, two hundred seventy-one".