682005 has 16 divisors (see below), whose sum is σ = 1149120. Its totient is φ = 344448.

The previous prime is 682001. The next prime is 682009. The reversal of 682005 is 500286.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (682001) and next prime (682009).

It is not a de Polignac number, because 682005 - 2² = 682001 is a prime.

It is an Ulam number.

682005 is a lucky number.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 912 + ... + 1481.

It is an arithmetic number, because the mean of its divisors is an integer number (71820).

2⁶⁸²⁰⁰⁵ is an apocalyptic number.

It is an amenable number.

682005 is a deficient number, since it is larger than the sum of its proper divisors (467115).

682005 is a wasteful number, since it uses less digits than its factorization.

682005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2420.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 682005 is about 825.8359401237. The cubic root of 682005 is about 88.0229365144.

The spelling of 682005 in words is "six hundred eighty-two thousand, five".