573121 has 4 divisors (see below), whose sum is σ = 606852. Its totient is φ = 539392.

The previous prime is 573119. The next prime is 573143. The reversal of 573121 is 121375.

573121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 255025 + 318096 = 505^2 + 564^2 .

It is a cyclic number.

It is not a de Polignac number, because 573121 - 2¹ = 573119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (573101) 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, 16840 + ... + 16873.

It is an arithmetic number, because the mean of its divisors is an integer number (151713).

2⁵⁷³¹²¹ is an apocalyptic number.

It is an amenable number.

573121 is a deficient number, since it is larger than the sum of its proper divisors (33731).

573121 is a wasteful number, since it uses less digits than its factorization.

573121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33730.

The product of its digits is 210, while the sum is 19.

The square root of 573121 is about 757.0475546490. The cubic root of 573121 is about 83.0644972139.

Adding to 573121 its reverse (121375), we get a palindrome (694496).

The spelling of 573121 in words is "five hundred seventy-three thousand, one hundred twenty-one".