543234221 has 8 divisors (see below), whose sum is σ = 546405600. Its totient is φ = 540072720.

The previous prime is 543234203. The next prime is 543234229. The reversal of 543234221 is 122432345.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 543234221 - 2¹⁴ = 543217837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (543234229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126650 + ... + 130868.

It is an arithmetic number, because the mean of its divisors is an integer number (68300700).

Almost surely, 2^543234221 is an apocalyptic number.

It is an amenable number.

543234221 is a deficient number, since it is larger than the sum of its proper divisors (3171379).

543234221 is a wasteful number, since it uses less digits than its factorization.

543234221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4939.

The product of its digits is 5760, while the sum is 26.

The square root of 543234221 is about 23307.3855462169. The cubic root of 543234221 is about 815.9477956839.

Adding to 543234221 its reverse (122432345), we get a palindrome (665666566).

The spelling of 543234221 in words is "five hundred forty-three million, two hundred thirty-four thousand, two hundred twenty-one".