543967 has 2 divisors, whose sum is σ = 543968. Its totient is φ = 543966.

The previous prime is 543929. The next prime is 543971. The reversal of 543967 is 769345.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-543967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (543997) 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 as a sum of consecutive naturals, namely, 271983 + 271984.

It is an arithmetic number, because the mean of its divisors is an integer number (271984).

2⁵⁴³⁹⁶⁷ is an apocalyptic number.

543967 is a deficient number, since it is larger than the sum of its proper divisors (1).

543967 is an equidigital number, since it uses as much as digits as its factorization.

543967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 34.

The square root of 543967 is about 737.5411852907. The cubic root of 543967 is about 81.6314513356.

The spelling of 543967 in words is "five hundred forty-three thousand, nine hundred sixty-seven".