543421079 has 2 divisors, whose sum is σ = 543421080. Its totient is φ = 543421078.

The previous prime is 543421061. The next prime is 543421141. The reversal of 543421079 is 970124345.

543421079 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 543421079 - 2¹² = 543416983 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (543421009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271710539 + 271710540.

It is an arithmetic number, because the mean of its divisors is an integer number (271710540).

Almost surely, 2^543421079 is an apocalyptic number.

543421079 is a deficient number, since it is larger than the sum of its proper divisors (1).

543421079 is an equidigital number, since it uses as much as digits as its factorization.

543421079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 543421079 is about 23311.3937592757. The cubic root of 543421079 is about 816.0413396772.

The spelling of 543421079 in words is "five hundred forty-three million, four hundred twenty-one thousand, seventy-nine".