543280 has 20 divisors (see below), whose sum is σ = 1263312. Its totient is φ = 217280.

The previous prime is 543259. The next prime is 543281. The reversal of 543280 is 82345.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (543281) 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, 3316 + ... + 3475.

2⁵⁴³²⁸⁰ is an apocalyptic number.

It is an amenable number.

543280 is an abundant number, since it is smaller than the sum of its proper divisors (720032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

543280 is a wasteful number, since it uses less digits than its factorization.

543280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6804 (or 6798 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 543280 is about 737.0753014448. The cubic root of 543280 is about 81.5970715340.

The spelling of 543280 in words is "five hundred forty-three thousand, two hundred eighty".