540688583 has 4 divisors (see below), whose sum is σ = 540889440. Its totient is φ = 540487728.

The previous prime is 540688559. The next prime is 540688597. The reversal of 540688583 is 385886045.

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 540688583 - 2²⁶ = 473579719 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 (540688513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96335 + ... + 101792.

It is an arithmetic number, because the mean of its divisors is an integer number (135222360).

Almost surely, 2^540688583 is an apocalyptic number.

540688583 is a deficient number, since it is larger than the sum of its proper divisors (200857).

540688583 is a wasteful number, since it uses less digits than its factorization.

540688583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200856.

The product of its (nonzero) digits is 921600, while the sum is 47.

The square root of 540688583 is about 23252.7113042759. The cubic root of 540688583 is about 814.6712679274.

The spelling of 540688583 in words is "five hundred forty million, six hundred eighty-eight thousand, five hundred eighty-three".