6371971 has 8 divisors (see below), whose sum is σ = 6488064. Its totient is φ = 6257160.

The previous prime is 6371947. The next prime is 6371977. The reversal of 6371971 is 1791736.

It is a happy number.

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 6371971 - 2⁷ = 6371843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6371977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16446 + ... + 16828.

It is an arithmetic number, because the mean of its divisors is an integer number (811008).

Almost surely, 2^6371971 is an apocalyptic number.

6371971 is a deficient number, since it is larger than the sum of its proper divisors (116093).

6371971 is a wasteful number, since it uses less digits than its factorization.

6371971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641.

The product of its digits is 7938, while the sum is 34.

The square root of 6371971 is about 2524.2763319415. The cubic root of 6371971 is about 185.3921169253.

The spelling of 6371971 in words is "six million, three hundred seventy-one thousand, nine hundred seventy-one".