682557 has 4 divisors (see below), whose sum is σ = 910080. Its totient is φ = 455036.

The previous prime is 682547. The next prime is 682597. The reversal of 682557 is 755286.

It is a happy number.

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 682557 - 2¹¹ = 680509 is a prime.

It is a D-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 682557.

It is not an unprimeable number, because it can be changed into a prime (682547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113757 + ... + 113762.

It is an arithmetic number, because the mean of its divisors is an integer number (227520).

2⁶⁸²⁵⁵⁷ is an apocalyptic number.

It is an amenable number.

682557 is a deficient number, since it is larger than the sum of its proper divisors (227523).

682557 is a wasteful number, since it uses less digits than its factorization.

682557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227522.

The product of its digits is 16800, while the sum is 33.

The square root of 682557 is about 826.1700793420. The cubic root of 682557 is about 88.0466780598.

The spelling of 682557 in words is "six hundred eighty-two thousand, five hundred fifty-seven".