543345269 has 2 divisors, whose sum is σ = 543345270. Its totient is φ = 543345268.

The previous prime is 543345233. The next prime is 543345281. The reversal of 543345269 is 962543345.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 542284369 + 1060900 = 23287^2 + 1030^2 .

It is a cyclic number.

It is not a de Polignac number, because 543345269 - 2²⁸ = 274909813 is a prime.

It is a super-2 number, since 2×543345269² = 590448162689364722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (543375269) 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, 271672634 + 271672635.

It is an arithmetic number, because the mean of its divisors is an integer number (271672635).

Almost surely, 2^543345269 is an apocalyptic number.

It is an amenable number.

543345269 is a deficient number, since it is larger than the sum of its proper divisors (1).

543345269 is an equidigital number, since it uses as much as digits as its factorization.

543345269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 388800, while the sum is 41.

The square root of 543345269 is about 23309.7676736599. The cubic root of 543345269 is about 816.0033906089.

The spelling of 543345269 in words is "five hundred forty-three million, three hundred forty-five thousand, two hundred sixty-nine".