573803 has 4 divisors (see below), whose sum is σ = 575400. Its totient is φ = 572208.

The previous prime is 573791. The next prime is 573809. The reversal of 573803 is 308375.

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 573803 - 2⁴ = 573787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (573809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23 + ... + 1071.

It is an arithmetic number, because the mean of its divisors is an integer number (143850).

2⁵⁷³⁸⁰³ is an apocalyptic number.

573803 is a deficient number, since it is larger than the sum of its proper divisors (1597).

573803 is a wasteful number, since it uses less digits than its factorization.

573803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596.

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

The square root of 573803 is about 757.4978547824. The cubic root of 573803 is about 83.0974323947.

The spelling of 573803 in words is "five hundred seventy-three thousand, eight hundred three".