540111 has 16 divisors (see below), whose sum is σ = 846720. Its totient is φ = 301920.

The previous prime is 540101. The next prime is 540119. The reversal of 540111 is 111045.

It is a happy number.

It is not a de Polignac number, because 540111 - 2⁵ = 540079 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 540111.

It is not an unprimeable number, because it can be changed into a prime (540119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201 + ... + 1058.

It is an arithmetic number, because the mean of its divisors is an integer number (52920).

2⁵⁴⁰¹¹¹ is an apocalyptic number.

540111 is a deficient number, since it is larger than the sum of its proper divisors (306609).

540111 is a wasteful number, since it uses less digits than its factorization.

540111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286.

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 540111 is about 734.9224448879. The cubic root of 540111 is about 81.4381077518.

Adding to 540111 its reverse (111045), we get a palindrome (651156).

The spelling of 540111 in words is "five hundred forty thousand, one hundred eleven".