80503 has 6 divisors (see below), whose sum is σ = 85344. Its totient is φ = 75924.

The previous prime is 80491. The next prime is 80513. The reversal of 80503 is 30508.

It is not a de Polignac number, because 80503 - 2⁵ = 80471 is a prime.

It is a Duffinian number.

80503 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80513) 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 5 ways as a sum of consecutive naturals, for example, 250 + ... + 472.

It is an arithmetic number, because the mean of its divisors is an integer number (14224).

2⁸⁰⁵⁰³ is an apocalyptic number.

80503 is a deficient number, since it is larger than the sum of its proper divisors (4841).

80503 is a wasteful number, since it uses less digits than its factorization.

80503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261 (or 242 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 80503 is about 283.7305059383. The cubic root of 80503 is about 43.1788119119.

The spelling of 80503 in words is "eighty thousand, five hundred three".