683503 has 2 divisors, whose sum is σ = 683504. Its totient is φ = 683502.

The previous prime is 683489. The next prime is 683513. The reversal of 683503 is 305386.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 683503 - 2⁵ = 683471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (683513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341751 + 341752.

It is an arithmetic number, because the mean of its divisors is an integer number (341752).

2⁶⁸³⁵⁰³ is an apocalyptic number.

683503 is a deficient number, since it is larger than the sum of its proper divisors (1).

683503 is an equidigital number, since it uses as much as digits as its factorization.

683503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 683503 is about 826.7424024447. The cubic root of 683503 is about 88.0873358153.

Adding to 683503 its reverse (305386), we get a palindrome (988889).

The spelling of 683503 in words is "six hundred eighty-three thousand, five hundred three".