543490203 has 4 divisors (see below), whose sum is σ = 724653608. Its totient is φ = 362326800.

The previous prime is 543490163. The next prime is 543490313. The reversal of 543490203 is 302094345.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 543490203 - 2⁹ = 543489691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (543490603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90581698 + ... + 90581703.

It is an arithmetic number, because the mean of its divisors is an integer number (181163402).

Almost surely, 2^543490203 is an apocalyptic number.

543490203 is a deficient number, since it is larger than the sum of its proper divisors (181163405).

543490203 is a wasteful number, since it uses less digits than its factorization.

543490203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181163404.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 543490203 is about 23312.8763347640. The cubic root of 543490203 is about 816.0759387829.

The spelling of 543490203 in words is "five hundred forty-three million, four hundred ninety thousand, two hundred three".