543671 has 2 divisors, whose sum is σ = 543672. Its totient is φ = 543670.

The previous prime is 543661. The next prime is 543679. The reversal of 543671 is 176345.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 543671 - 2⁶ = 543607 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 543671.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (543679) 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, 271835 + 271836.

It is an arithmetic number, because the mean of its divisors is an integer number (271836).

2⁵⁴³⁶⁷¹ is an apocalyptic number.

543671 is a deficient number, since it is larger than the sum of its proper divisors (1).

543671 is an equidigital number, since it uses as much as digits as its factorization.

543671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 26.

The square root of 543671 is about 737.3404912251. The cubic root of 543671 is about 81.6166420465.

The spelling of 543671 in words is "five hundred forty-three thousand, six hundred seventy-one".