573449 has 4 divisors (see below), whose sum is σ = 578820. Its totient is φ = 568080.

The previous prime is 573437. The next prime is 573451. The reversal of 573449 is 944375.

Added to its reverse (944375) it gives a square (1517824 = 1232²).

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 413449 + 160000 = 643^2 + 400^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-573449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (573409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2522 + ... + 2739.

It is an arithmetic number, because the mean of its divisors is an integer number (144705).

573449 is a Friedman number, since it can be written as 9+7*5*4^(4+3), using all its digits and the basic arithmetic operations.

2⁵⁷³⁴⁴⁹ is an apocalyptic number.

It is an amenable number.

573449 is a deficient number, since it is larger than the sum of its proper divisors (5371).

573449 is a wasteful number, since it uses less digits than its factorization.

573449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5370.

The product of its digits is 15120, while the sum is 32.

The square root of 573449 is about 757.2641547043. The cubic root of 573449 is about 83.0803402669.

Adding to 573449 its reverse (944375), we get a square (1517824 = 1232²).

The spelling of 573449 in words is "five hundred seventy-three thousand, four hundred forty-nine".