543534 has 16 divisors (see below), whose sum is σ = 1095888. Its totient is φ = 179712.

The previous prime is 543509. The next prime is 543539. The reversal of 543534 is 435345.

It is a happy number.

It is a plaindrome in base 12.

It is a zygodrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (543539) by changing a digit.

543534 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 654 + ... + 1230.

It is an arithmetic number, because the mean of its divisors is an integer number (68493).

2⁵⁴³⁵³⁴ is an apocalyptic number.

543534 is an abundant number, since it is smaller than the sum of its proper divisors (552354).

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

543534 is a wasteful number, since it uses less digits than its factorization.

543534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739.

The product of its digits is 3600, while the sum is 24.

The square root of 543534 is about 737.2475839228. The cubic root of 543534 is about 81.6097859275.

Adding to 543534 its reverse (435345), we get a palindrome (978879).

The spelling of 543534 in words is "five hundred forty-three thousand, five hundred thirty-four".