540620503 has 4 divisors (see below), whose sum is σ = 541019088. Its totient is φ = 540221920.

The previous prime is 540620477. The next prime is 540620513. The reversal of 540620503 is 305026045.

540620503 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 540620503 - 2¹³ = 540612311 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 (540620513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197251 + ... + 199972.

It is an arithmetic number, because the mean of its divisors is an integer number (135254772).

Almost surely, 2^540620503 is an apocalyptic number.

540620503 is a deficient number, since it is larger than the sum of its proper divisors (398585).

540620503 is a wasteful number, since it uses less digits than its factorization.

540620503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398584.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 540620503 is about 23251.2473428846. The cubic root of 540620503 is about 814.6370737845.

Adding to 540620503 its reverse (305026045), we get a palindrome (845646548).

The spelling of 540620503 in words is "five hundred forty million, six hundred twenty thousand, five hundred three".