682357 has 4 divisors (see below), whose sum is σ = 734860. Its totient is φ = 629856.

The previous prime is 682337. The next prime is 682361. The reversal of 682357 is 753286.

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 106276 + 576081 = 326^2 + 759^2 .

It is a 9-Lehmer number, since φ(682357) divides (682357-1)⁹.

It is a cyclic number.

It is not a de Polignac number, because 682357 - 2⁷ = 682229 is a prime.

It is a super-2 number, since 2×682357² = 931222150898, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (682307) 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, 26232 + ... + 26257.

It is an arithmetic number, because the mean of its divisors is an integer number (183715).

2⁶⁸²³⁵⁷ is an apocalyptic number.

It is an amenable number.

682357 is a deficient number, since it is larger than the sum of its proper divisors (52503).

682357 is a wasteful number, since it uses less digits than its factorization.

682357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52502.

The product of its digits is 10080, while the sum is 31.

The square root of 682357 is about 826.0490300218. The cubic root of 682357 is about 88.0380775298.

The spelling of 682357 in words is "six hundred eighty-two thousand, three hundred fifty-seven".