682565 has 8 divisors (see below), whose sum is σ = 882168. Its totient is φ = 504000.

The previous prime is 682547. The next prime is 682597. The reversal of 682565 is 565286.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 289 + 682276 = 17^2 + 826^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 682565 - 2¹⁸ = 420421 is a prime.

It is a Duffinian number.

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 682565.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5186 + ... + 5315.

It is an arithmetic number, because the mean of its divisors is an integer number (110271).

2⁶⁸²⁵⁶⁵ is an apocalyptic number.

682565 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

682565 is a deficient number, since it is larger than the sum of its proper divisors (199603).

682565 is a wasteful number, since it uses less digits than its factorization.

682565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10519.

The product of its digits is 14400, while the sum is 32.

The square root of 682565 is about 826.1749209459. The cubic root of 682565 is about 88.0470220460.

The spelling of 682565 in words is "six hundred eighty-two thousand, five hundred sixty-five".