540503663 has 6 divisors (see below), whose sum is σ = 628749216. Its totient is φ = 463288812.

The previous prime is 540503647. The next prime is 540503669. The reversal of 540503663 is 366305045.

It is not a de Polignac number, because 540503663 - 2⁴ = 540503647 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 (540503669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5515295 + ... + 5515392.

It is an arithmetic number, because the mean of its divisors is an integer number (104791536).

Almost surely, 2^540503663 is an apocalyptic number.

540503663 is a deficient number, since it is larger than the sum of its proper divisors (88245553).

540503663 is a wasteful number, since it uses less digits than its factorization.

540503663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11030701 (or 11030694 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 32.

The square root of 540503663 is about 23248.7346537398. The cubic root of 540503663 is about 814.5783825504.

The spelling of 540503663 in words is "five hundred forty million, five hundred three thousand, six hundred sixty-three".