543539 has 2 divisors, whose sum is σ = 543540. Its totient is φ = 543538.

The previous prime is 543509. The next prime is 543551. The reversal of 543539 is 935345.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-543539 is a prime.

It is a Chen prime.

It is a plaindrome in base 12.

It is not a weakly prime, because it can be changed into another prime (543509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271769 + 271770.

It is an arithmetic number, because the mean of its divisors is an integer number (271770).

2⁵⁴³⁵³⁹ is an apocalyptic number.

543539 is a deficient number, since it is larger than the sum of its proper divisors (1).

543539 is an equidigital number, since it uses as much as digits as its factorization.

543539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8100, while the sum is 29.

The square root of 543539 is about 737.2509749061. The cubic root of 543539 is about 81.6100361711.

The spelling of 543539 in words is "five hundred forty-three thousand, five hundred thirty-nine".