573609 has 8 divisors (see below), whose sum is σ = 775872. Its totient is φ = 376880.

The previous prime is 573571. The next prime is 573637. The reversal of 573609 is 906375.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 573609 - 2⁷ = 573481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (573679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1134 + ... + 1559.

It is an arithmetic number, because the mean of its divisors is an integer number (96984).

2⁵⁷³⁶⁰⁹ is an apocalyptic number.

It is an amenable number.

573609 is a deficient number, since it is larger than the sum of its proper divisors (202263).

573609 is a wasteful number, since it uses less digits than its factorization.

573609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2767.

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 573609 is about 757.3697907891. The cubic root of 573609 is about 83.0880663933.

The spelling of 573609 in words is "five hundred seventy-three thousand, six hundred nine".