682171 has 4 divisors (see below), whose sum is σ = 779632. Its totient is φ = 584712.

The previous prime is 682153. The next prime is 682183. The reversal of 682171 is 171286.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 171286 = 2 ⋅85643.

It is a cyclic number.

It is not a de Polignac number, because 682171 - 2¹¹ = 680123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (682141) 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 3 ways as a sum of consecutive naturals, for example, 48720 + ... + 48733.

It is an arithmetic number, because the mean of its divisors is an integer number (194908).

2⁶⁸²¹⁷¹ is an apocalyptic number.

682171 is a deficient number, since it is larger than the sum of its proper divisors (97461).

682171 is an equidigital number, since it uses as much as digits as its factorization.

682171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97460.

The product of its digits is 672, while the sum is 25.

The square root of 682171 is about 825.9364382324. The cubic root of 682171 is about 88.0300775285.

The spelling of 682171 in words is "six hundred eighty-two thousand, one hundred seventy-one".