540203 has 2 divisors, whose sum is σ = 540204. Its totient is φ = 540202.

The previous prime is 540187. The next prime is 540217. The reversal of 540203 is 302045.

540203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (540217) can be obtained adding 540203 to its sum of digits (14).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 540203 - 2⁴ = 540187 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (540233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270101 + 270102.

It is an arithmetic number, because the mean of its divisors is an integer number (270102).

2⁵⁴⁰²⁰³ is an apocalyptic number.

540203 is a deficient number, since it is larger than the sum of its proper divisors (1).

540203 is an equidigital number, since it uses as much as digits as its factorization.

540203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 540203 is about 734.9850338612. The cubic root of 540203 is about 81.4427314190.

Adding to 540203 its reverse (302045), we get a palindrome (842248).

The spelling of 540203 in words is "five hundred forty thousand, two hundred three".