682013 has 4 divisors (see below), whose sum is σ = 688380. Its totient is φ = 675648.

The previous prime is 682009. The next prime is 682037. The reversal of 682013 is 310286.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 605284 + 76729 = 778^2 + 277^2 .

It is a cyclic number.

It is not a de Polignac number, because 682013 - 2² = 682009 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (682063) 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, 3020 + ... + 3237.

It is an arithmetic number, because the mean of its divisors is an integer number (172095).

2⁶⁸²⁰¹³ is an apocalyptic number.

It is an amenable number.

682013 is a deficient number, since it is larger than the sum of its proper divisors (6367).

682013 is a wasteful number, since it uses less digits than its factorization.

682013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6366.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 682013 is about 825.8407836865. The cubic root of 682013 is about 88.0232806862.

Adding to 682013 its reverse (310286), we get a palindrome (992299).

The spelling of 682013 in words is "six hundred eighty-two thousand, thirteen".