573559 has 4 divisors (see below), whose sum is σ = 655504. Its totient is φ = 491616.

The previous prime is 573557. The next prime is 573569. The reversal of 573559 is 955375.

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 573559 - 2¹ = 573557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (573557) 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, 40962 + ... + 40975.

It is an arithmetic number, because the mean of its divisors is an integer number (163876).

2⁵⁷³⁵⁵⁹ is an apocalyptic number.

573559 is a deficient number, since it is larger than the sum of its proper divisors (81945).

573559 is an equidigital number, since it uses as much as digits as its factorization.

573559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81944.

The product of its digits is 23625, while the sum is 34.

The square root of 573559 is about 757.3367810954. The cubic root of 573559 is about 83.0856521332.

The spelling of 573559 in words is "five hundred seventy-three thousand, five hundred fifty-nine".