873503 has 4 divisors (see below), whose sum is σ = 884640. Its totient is φ = 862368.

The previous prime is 873497. The next prime is 873527. The reversal of 873503 is 305378.

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

It is a cyclic number.

It is not a de Polignac number, because 873503 - 2⁸ = 873247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 873503.

It is not an unprimeable number, because it can be changed into a prime (873553) 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, 5450 + ... + 5607.

It is an arithmetic number, because the mean of its divisors is an integer number (221160).

2⁸⁷³⁵⁰³ is an apocalyptic number.

873503 is a deficient number, since it is larger than the sum of its proper divisors (11137).

873503 is a wasteful number, since it uses less digits than its factorization.

873503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11136.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 873503 is about 934.6138239936. The cubic root of 873503 is about 95.5919821360.

The spelling of 873503 in words is "eight hundred seventy-three thousand, five hundred three".