543349121 has 16 divisors (see below), whose sum is σ = 678712320. Its totient is φ = 424189440.

The previous prime is 543349111. The next prime is 543349127. The reversal of 543349121 is 121943345.

It is not a de Polignac number, because 543349121 - 2¹⁸ = 543086977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (543349127) 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 in 15 ways as a sum of consecutive naturals, for example, 69956 + ... + 77333.

It is an arithmetic number, because the mean of its divisors is an integer number (42419520).

Almost surely, 2^543349121 is an apocalyptic number.

It is an amenable number.

543349121 is a deficient number, since it is larger than the sum of its proper divisors (135363199).

543349121 is a wasteful number, since it uses less digits than its factorization.

543349121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147344.

The product of its digits is 12960, while the sum is 32.

The square root of 543349121 is about 23309.8502998196. The cubic root of 543349121 is about 816.0053189332.

The spelling of 543349121 in words is "five hundred forty-three million, three hundred forty-nine thousand, one hundred twenty-one".