540315503 has 24 divisors (see below), whose sum is σ = 680930208. Its totient is φ = 424944576.

The previous prime is 540315499. The next prime is 540315541. The reversal of 540315503 is 305513045.

540315503 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 540315503 - 2² = 540315499 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540315553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107750 + ... + 112652.

It is an arithmetic number, because the mean of its divisors is an integer number (28372092).

Almost surely, 2^540315503 is an apocalyptic number.

540315503 is a deficient number, since it is larger than the sum of its proper divisors (140614705).

540315503 is a wasteful number, since it uses less digits than its factorization.

540315503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5103 (or 5096 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 540315503 is about 23244.6876296499. The cubic root of 540315503 is about 814.4838479722.

Adding to 540315503 its reverse (305513045), we get a palindrome (845828548).

The spelling of 540315503 in words is "five hundred forty million, three hundred fifteen thousand, five hundred three".