Subtracting from 8503 its reverse (3058), we obtain a palindrome (5445).
8503 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is an alternating number because its digits alternate between even and odd.
It is a Duffinian number.
It is a plaindrome in base 15.
It is a nialpdrome in base 11.
It is a congruent number.
28503 is an apocalyptic number.
8503 is a wasteful number, since it uses less digits than its factorization.
8503 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 784.
The square root of 8503 is about 92.2117129219. The cubic root of 8503 is about 20.4106762008.
The spelling of 8503 in words is "eight thousand, five hundred three".