573543 has 6 divisors (see below), whose sum is σ = 828464. Its totient is φ = 382356.

The previous prime is 573527. The next prime is 573557. The reversal of 573543 is 345375.

It is a happy number.

It is not a de Polignac number, because 573543 - 2⁴ = 573527 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (573523) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31855 + ... + 31872.

2⁵⁷³⁵⁴³ is an apocalyptic number.

573543 is a deficient number, since it is larger than the sum of its proper divisors (254921).

573543 is a wasteful number, since it uses less digits than its factorization.

573543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63733 (or 63730 counting only the distinct ones).

The product of its digits is 6300, while the sum is 27.

The square root of 573543 is about 757.3262176896. The cubic root of 573543 is about 83.0848795403.

It can be divided in two parts, 5735 and 43, that added together give a triangular number (5778 = T₁₀₇).

The spelling of 573543 in words is "five hundred seventy-three thousand, five hundred forty-three".