540540599 has 4 divisors (see below), whose sum is σ = 559179960. Its totient is φ = 521901240.

The previous prime is 540540593. The next prime is 540540613. The reversal of 540540599 is 995045045.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 995045045 = 5 ⋅199009009.

It is a cyclic number.

It is not a de Polignac number, because 540540599 - 2¹⁶ = 540475063 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 (540540593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9319637 + ... + 9319694.

It is an arithmetic number, because the mean of its divisors is an integer number (139794990).

Almost surely, 2^540540599 is an apocalyptic number.

540540599 is a deficient number, since it is larger than the sum of its proper divisors (18639361).

540540599 is a wasteful number, since it uses less digits than its factorization.

540540599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18639360.

The product of its (nonzero) digits is 162000, while the sum is 41.

The square root of 540540599 is about 23249.5290059820. The cubic root of 540540599 is about 814.5969372084.

The spelling of 540540599 in words is "five hundred forty million, five hundred forty thousand, five hundred ninety-nine".