543029809 has 9 divisors (see below), whose sum is σ = 631877547. Its totient is φ = 465314304.

The previous prime is 543029803. The next prime is 543029813. The reversal of 543029809 is 908920345.

It is a happy number.

The square root of 543029809 is 23303.

It is a perfect power (a square), and thus also a powerful number.

543029809 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 211789809 + 331240000 = 14553^2 + 18200^2 .

It is not a de Polignac number, because 543029809 - 2³ = 543029801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (543029801) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 161457 + ... + 164785.

Almost surely, 2^543029809 is an apocalyptic number.

543029809 is the 23303-rd square number.

543029809 is the 11652-nd centered octagonal number.

It is an amenable number.

543029809 is a deficient number, since it is larger than the sum of its proper divisors (88847738).

543029809 is an frugal number, since it uses more digits than its factorization.

543029809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6672 (or 3336 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The cubic root of 543029809 is about 815.8454393159.

The spelling of 543029809 in words is "five hundred forty-three million, twenty-nine thousand, eight hundred nine".