540251503 has 4 divisors (see below), whose sum is σ = 589365288. Its totient is φ = 491137720.

The previous prime is 540251489. The next prime is 540251573. The reversal of 540251503 is 305152045.

540251503 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 a de Polignac number, because none of the positive numbers 2^k-540251503 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 (540251573) 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, 24556876 + ... + 24556897.

It is an arithmetic number, because the mean of its divisors is an integer number (147341322).

Almost surely, 2^540251503 is an apocalyptic number.

540251503 is a deficient number, since it is larger than the sum of its proper divisors (49113785).

540251503 is a wasteful number, since it uses less digits than its factorization.

540251503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49113784.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 540251503 is about 23243.3109302440. The cubic root of 540251503 is about 814.4516883517.

The spelling of 540251503 in words is "five hundred forty million, two hundred fifty-one thousand, five hundred three".