543040093 has 4 divisors (see below), whose sum is σ = 543089088. Its totient is φ = 542991100.

The previous prime is 543040063. The next prime is 543040103. The reversal of 543040093 is 390040345.

It is the 9514-th star number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-543040093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (543040063) 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 in 3 ways as a sum of consecutive naturals, for example, 918 + ... + 32968.

It is an arithmetic number, because the mean of its divisors is an integer number (135772272).

Almost surely, 2^543040093 is an apocalyptic number.

It is an amenable number.

543040093 is a deficient number, since it is larger than the sum of its proper divisors (48995).

543040093 is a wasteful number, since it uses less digits than its factorization.

543040093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48994.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 543040093 is about 23303.2206572396. The cubic root of 543040093 is about 815.8505894945.

The spelling of 543040093 in words is "five hundred forty-three million, forty thousand, ninety-three".