543535 has 4 divisors (see below), whose sum is σ = 652248. Its totient is φ = 434824.

The previous prime is 543509. The next prime is 543539. The reversal of 543535 is 535345.

It is a happy number.

543535 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, and also an emirpimes, since its reverse is a distinct semiprime: 535345 = 5 ⋅107069.

It is a cyclic number.

It is not a de Polignac number, because 543535 - 2⁵ = 543503 is a prime.

It is a Duffinian number.

543535 is a lucky number.

It is a plaindrome 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.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54349 + ... + 54358.

It is an arithmetic number, because the mean of its divisors is an integer number (163062).

2⁵⁴³⁵³⁵ is an apocalyptic number.

543535 is a deficient number, since it is larger than the sum of its proper divisors (108713).

543535 is a wasteful number, since it uses less digits than its factorization.

543535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108712.

The product of its digits is 4500, while the sum is 25.

The square root of 543535 is about 737.2482621207. The cubic root of 543535 is about 81.6098359763.

The spelling of 543535 in words is "five hundred forty-three thousand, five hundred thirty-five".