540508015 has 4 divisors (see below), whose sum is σ = 648609624. Its totient is φ = 432406408.

The previous prime is 540507997. The next prime is 540508057. The reversal of 540508015 is 510805045.

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 540508015 - 2⁵ = 540507983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 54050797 + ... + 54050806.

It is an arithmetic number, because the mean of its divisors is an integer number (162152406).

Almost surely, 2^540508015 is an apocalyptic number.

540508015 is a deficient number, since it is larger than the sum of its proper divisors (108101609).

540508015 is a wasteful number, since it uses less digits than its factorization.

540508015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108101608.

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 540508015 is about 23248.8282500431. The cubic root of 540508015 is about 814.5805688049.

The spelling of 540508015 in words is "five hundred forty million, five hundred eight thousand, fifteen".