682603 has 4 divisors (see below), whose sum is σ = 685888. Its totient is φ = 679320.

The previous prime is 682597. The next prime is 682607. The reversal of 682603 is 306286.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-682603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (682607) 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, 1308 + ... + 1753.

It is an arithmetic number, because the mean of its divisors is an integer number (171472).

2⁶⁸²⁶⁰³ is an apocalyptic number.

682603 is a deficient number, since it is larger than the sum of its proper divisors (3285).

682603 is a wasteful number, since it uses less digits than its factorization.

682603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3284.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 682603 is about 826.1979181770. The cubic root of 682603 is about 88.0486559440.

Adding to 682603 its reverse (306286), we get a palindrome (988889).

The spelling of 682603 in words is "six hundred eighty-two thousand, six hundred three".