682281 has 18 divisors (see below), whose sum is σ = 1033578. Its totient is φ = 433440.

The previous prime is 682277. The next prime is 682289. The reversal of 682281 is 182286.

It can be written as a sum of positive squares in only one way, i.e., 416025 + 266256 = 645^2 + 516^2 .

It is not a de Polignac number, because 682281 - 2² = 682277 is a prime.

It is a super-2 number, since 2×682281² = 931014725922, which contains 22 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 682281.

It is not an unprimeable number, because it can be changed into a prime (682289) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 15846 + ... + 15888.

It is an arithmetic number, because the mean of its divisors is an integer number (57421).

2⁶⁸²²⁸¹ is an apocalyptic number.

It is an amenable number.

682281 is a deficient number, since it is larger than the sum of its proper divisors (351297).

682281 is a wasteful number, since it uses less digits than its factorization.

682281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133 (or 87 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 682281 is about 826.0030266288. The cubic root of 682281 is about 88.0348088877.

It can be divided in two parts, 6822 and 81, that added together give a triangular number (6903 = T₁₁₇).

The spelling of 682281 in words is "six hundred eighty-two thousand, two hundred eighty-one".