682081 has 4 divisors (see below), whose sum is σ = 718000. Its totient is φ = 646164.

The previous prime is 682079. The next prime is 682141. The reversal of 682081 is 180286.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 682081 - 2¹ = 682079 is a prime.

It is a super-2 number, since 2×682081² = 930468981122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (682001) 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, 17931 + ... + 17968.

It is an arithmetic number, because the mean of its divisors is an integer number (179500).

2⁶⁸²⁰⁸¹ is an apocalyptic number.

It is an amenable number.

682081 is a deficient number, since it is larger than the sum of its proper divisors (35919).

682081 is a wasteful number, since it uses less digits than its factorization.

682081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35918.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 682081 is about 825.8819528238. The cubic root of 682081 is about 88.0262060382.

The spelling of 682081 in words is "six hundred eighty-two thousand, eighty-one".