540589 has 8 divisors (see below), whose sum is σ = 639360. Its totient is φ = 447216.

The previous prime is 540587. The next prime is 540599. The reversal of 540589 is 985045.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 540589 - 2¹ = 540587 is a prime.

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 540589.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1129 + ... + 1534.

It is an arithmetic number, because the mean of its divisors is an integer number (79920).

2⁵⁴⁰⁵⁸⁹ is an apocalyptic number.

It is an amenable number.

540589 is a deficient number, since it is larger than the sum of its proper divisors (98771).

540589 is a wasteful number, since it uses less digits than its factorization.

540589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2699.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 540589 is about 735.2475773506. The cubic root of 540589 is about 81.4621249986.

The spelling of 540589 in words is "five hundred forty thousand, five hundred eighty-nine".