540199 has 4 divisors (see below), whose sum is σ = 589320. Its totient is φ = 491080.

The previous prime is 540187. The next prime is 540203. The reversal of 540199 is 991045.

540199 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 540199 - 2⁵ = 540167 is a prime.

It is a Duffinian number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 24544 + ... + 24565.

It is an arithmetic number, because the mean of its divisors is an integer number (147330).

2⁵⁴⁰¹⁹⁹ is an apocalyptic number.

540199 is a deficient number, since it is larger than the sum of its proper divisors (49121).

540199 is a wasteful number, since it uses less digits than its factorization.

540199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49120.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 540199 is about 734.9823127124. The cubic root of 540199 is about 81.4425304009.

It can be divided in two parts, 5 and 40199, that added together give a palindrome (40204).

The spelling of 540199 in words is "five hundred forty thousand, one hundred ninety-nine".