573633 has 6 divisors (see below), whose sum is σ = 828594. Its totient is φ = 382416.

The previous prime is 573571. The next prime is 573637. The reversal of 573633 is 336375.

It can be written as a sum of positive squares in only one way, i.e., 294849 + 278784 = 543^2 + 528^2 .

It is not a de Polignac number, because 573633 - 2⁶ = 573569 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 573597 and 573606.

It is not an unprimeable number, because it can be changed into a prime (573637) 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, 31860 + ... + 31877.

It is an arithmetic number, because the mean of its divisors is an integer number (138099).

2⁵⁷³⁶³³ is an apocalyptic number.

It is an amenable number.

573633 is a deficient number, since it is larger than the sum of its proper divisors (254961).

573633 is a wasteful number, since it uses less digits than its factorization.

573633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63743 (or 63740 counting only the distinct ones).

The product of its digits is 5670, while the sum is 27.

The square root of 573633 is about 757.3856349311. The cubic root of 573633 is about 83.0892251883.

The spelling of 573633 in words is "five hundred seventy-three thousand, six hundred thirty-three".