543994103 has 2 divisors, whose sum is σ = 543994104. Its totient is φ = 543994102.

The previous prime is 543994049. The next prime is 543994123. The reversal of 543994103 is 301499345.

543994103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 543994103 - 2²⁰ = 542945527 is a prime.

It is a Sophie Germain prime.

It is equal to p_28546670 and since 543994103 and 28546670 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 (543994123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271997051 + 271997052.

It is an arithmetic number, because the mean of its divisors is an integer number (271997052).

Almost surely, 2^543994103 is an apocalyptic number.

543994103 is a deficient number, since it is larger than the sum of its proper divisors (1).

543994103 is an equidigital number, since it uses as much as digits as its factorization.

543994103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 543994103 is about 23323.6811631440. The cubic root of 543994103 is about 816.3280706767.

The spelling of 543994103 in words is "five hundred forty-three million, nine hundred ninety-four thousand, one hundred three".