543064309 has 2 divisors, whose sum is σ = 543064310. Its totient is φ = 543064308.

The previous prime is 543064283. The next prime is 543064343. The reversal of 543064309 is 903460345.

It is a happy number.

It is an a-pointer prime, because the next prime (543064343) can be obtained adding 543064309 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 541865284 + 1199025 = 23278^2 + 1095^2 .

It is a cyclic number.

It is not a de Polignac number, because 543064309 - 2²⁵ = 509509877 is a prime.

It is equal to p_28500577 and since 543064309 and 28500577 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (543064349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271532154 + 271532155.

It is an arithmetic number, because the mean of its divisors is an integer number (271532155).

Almost surely, 2^543064309 is an apocalyptic number.

It is an amenable number.

543064309 is a deficient number, since it is larger than the sum of its proper divisors (1).

543064309 is an equidigital number, since it uses as much as digits as its factorization.

543064309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 543064309 is about 23303.7402362797. The cubic root of 543064309 is about 815.8627164961.

The spelling of 543064309 in words is "five hundred forty-three million, sixty-four thousand, three hundred nine".