540205563 has 4 divisors (see below), whose sum is σ = 720274088. Its totient is φ = 360137040.

The previous prime is 540205553. The next prime is 540205573. The reversal of 540205563 is 365502045.

540205563 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 an interprime number because it is at equal distance from previous prime (540205553) and next prime (540205573).

It is not a de Polignac number, because 540205563 - 2⁶ = 540205499 is a prime.

It is a super-2 number, since 2×540205563² = 583644100592293938, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 540205563.

It is not an unprimeable number, because it can be changed into a prime (540205543) 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, 90034258 + ... + 90034263.

It is an arithmetic number, because the mean of its divisors is an integer number (180068522).

Almost surely, 2^540205563 is an apocalyptic number.

540205563 is a deficient number, since it is larger than the sum of its proper divisors (180068525).

540205563 is a wasteful number, since it uses less digits than its factorization.

540205563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180068524.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 540205563 is about 23242.3226679263. The cubic root of 540205563 is about 814.4286022082.

The spelling of 540205563 in words is "five hundred forty million, two hundred five thousand, five hundred sixty-three".