573813 has 12 divisors (see below), whose sum is σ = 838240. Its totient is φ = 378216.

The previous prime is 573809. The next prime is 573817. The reversal of 573813 is 318375.

It is an interprime number because it is at equal distance from previous prime (573809) and next prime (573817).

It is not a de Polignac number, because 573813 - 2² = 573809 is a prime.

It is a super-2 number, since 2×573813² = 658522717938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (573817) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 618 + ... + 1236.

2⁵⁷³⁸¹³ is an apocalyptic number.

It is an amenable number.

573813 is a deficient number, since it is larger than the sum of its proper divisors (264427).

573813 is a wasteful number, since it uses less digits than its factorization.

573813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728 (or 725 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 573813 is about 757.5044554324. The cubic root of 573813 is about 83.0979151210.

The spelling of 573813 in words is "five hundred seventy-three thousand, eight hundred thirteen".