540593 has 4 divisors (see below), whose sum is σ = 543588. Its totient is φ = 537600.

The previous prime is 540587. The next prime is 540599. The reversal of 540593 is 395045.

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 (540587) and next prime (540599).

It can be written as a sum of positive squares in 2 ways, for example, as 200704 + 339889 = 448^2 + 583^2 .

It is a cyclic number.

It is not a de Polignac number, because 540593 - 2⁴ = 540577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540599) 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, 1208 + ... + 1593.

It is an arithmetic number, because the mean of its divisors is an integer number (135897).

2⁵⁴⁰⁵⁹³ is an apocalyptic number.

It is an amenable number.

540593 is a deficient number, since it is larger than the sum of its proper divisors (2995).

540593 is a wasteful number, since it uses less digits than its factorization.

540593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2994.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 540593 is about 735.2502975178. The cubic root of 540593 is about 81.4623259200.

The spelling of 540593 in words is "five hundred forty thousand, five hundred ninety-three".