6631171 has 8 divisors (see below), whose sum is σ = 7005200. Its totient is φ = 6259680.

The previous prime is 6631151. The next prime is 6631189. The reversal of 6631171 is 1711366.

It is a happy number.

6631171 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6631171 - 2¹⁹ = 6106883 is a prime.

It is an Ulam number.

It is a Duffinian number.

6631171 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6631151) 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 in 7 ways as a sum of consecutive naturals, for example, 7585 + ... + 8413.

It is an arithmetic number, because the mean of its divisors is an integer number (875650).

Almost surely, 2^6631171 is an apocalyptic number.

6631171 is a deficient number, since it is larger than the sum of its proper divisors (374029).

6631171 is a wasteful number, since it uses less digits than its factorization.

6631171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1269.

The product of its digits is 756, while the sum is 25.

The square root of 6631171 is about 2575.1060172350. The cubic root of 6631171 is about 187.8725841788.

The spelling of 6631171 in words is "six million, six hundred thirty-one thousand, one hundred seventy-one".