540508999 has 8 divisors (see below), whose sum is σ = 583102800. Its totient is φ = 499115136.

The previous prime is 540508957. The next prime is 540509023. The reversal of 540508999 is 999805045.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 540508999 - 2¹¹ = 540506951 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 (540508909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299049 + ... + 300850.

It is an arithmetic number, because the mean of its divisors is an integer number (72887850).

Almost surely, 2^540508999 is an apocalyptic number.

540508999 is a deficient number, since it is larger than the sum of its proper divisors (42593801).

540508999 is a wasteful number, since it uses less digits than its factorization.

540508999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599969.

The product of its (nonzero) digits is 583200, while the sum is 49.

The square root of 540508999 is about 23248.8494123903. The cubic root of 540508999 is about 814.5810631218.

The spelling of 540508999 in words is "five hundred forty million, five hundred eight thousand, nine hundred ninety-nine".