681171 has 8 divisors (see below), whose sum is σ = 927744. Its totient is φ = 444360.

The previous prime is 681167. The next prime is 681179. The reversal of 681171 is 171186.

681171 is digitally balanced in base 2, 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 not a de Polignac number, because 681171 - 2² = 681167 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 681171.

It is not an unprimeable number, because it can be changed into a prime (681179) 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, 2275 + ... + 2556.

It is an arithmetic number, because the mean of its divisors is an integer number (115968).

2⁶⁸¹¹⁷¹ is an apocalyptic number.

681171 is a deficient number, since it is larger than the sum of its proper divisors (246573).

681171 is a wasteful number, since it uses less digits than its factorization.

681171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4881.

The product of its digits is 336, while the sum is 24.

The square root of 681171 is about 825.3308427534. The cubic root of 681171 is about 87.9870418248.

The spelling of 681171 in words is "six hundred eighty-one thousand, one hundred seventy-one".