540551203 has 4 divisors (see below), whose sum is σ = 547956088. Its totient is φ = 533146320.

The previous prime is 540551177. The next prime is 540551281. The reversal of 540551203 is 302155045.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 302155045 = 5 ⋅60431009.

It is a cyclic number.

It is not a de Polignac number, because 540551203 - 2²⁵ = 506996771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540551003) 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, 3702333 + ... + 3702478.

It is an arithmetic number, because the mean of its divisors is an integer number (136989022).

Almost surely, 2^540551203 is an apocalyptic number.

540551203 is a deficient number, since it is larger than the sum of its proper divisors (7404885).

540551203 is an equidigital number, since it uses as much as digits as its factorization.

540551203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7404884.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 540551203 is about 23249.7570524941. The cubic root of 540551203 is about 814.6022639310.

The spelling of 540551203 in words is "five hundred forty million, five hundred fifty-one thousand, two hundred three".