682457 has 8 divisors (see below), whose sum is σ = 716040. Its totient is φ = 649600.

The previous prime is 682447. The next prime is 682463. The reversal of 682457 is 754286.

It can be written as a sum of positive squares in 4 ways, for example, as 179776 + 502681 = 424^2 + 709^2 .

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

It is not a de Polignac number, because 682457 - 2¹⁴ = 666073 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (682417) 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 7 ways as a sum of consecutive naturals, for example, 2813 + ... + 3045.

It is an arithmetic number, because the mean of its divisors is an integer number (89505).

2⁶⁸²⁴⁵⁷ is an apocalyptic number.

It is an amenable number.

682457 is a deficient number, since it is larger than the sum of its proper divisors (33583).

682457 is a wasteful number, since it uses less digits than its factorization.

682457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363.

The product of its digits is 13440, while the sum is 32.

The square root of 682457 is about 826.1095568991. The cubic root of 682457 is about 88.0423780048.

The spelling of 682457 in words is "six hundred eighty-two thousand, four hundred fifty-seven".