6171671 has 4 divisors (see below), whose sum is σ = 6732744. Its totient is φ = 5610600.

The previous prime is 6171647. The next prime is 6171679. The reversal of 6171671 is 1761716.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6171671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6171679) 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, 280520 + ... + 280541.

It is an arithmetic number, because the mean of its divisors is an integer number (1683186).

Almost surely, 2^6171671 is an apocalyptic number.

6171671 is a deficient number, since it is larger than the sum of its proper divisors (561073).

6171671 is a wasteful number, since it uses less digits than its factorization.

6171671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561072.

The product of its digits is 1764, while the sum is 29.

The square root of 6171671 is about 2484.2848065389. The cubic root of 6171671 is about 183.4288270188.

The spelling of 6171671 in words is "six million, one hundred seventy-one thousand, six hundred seventy-one".