540579 has 16 divisors (see below), whose sum is σ = 790272. Its totient is φ = 326688.

The previous prime is 540577. The next prime is 540587. The reversal of 540579 is 975045.

It is not a de Polignac number, because 540579 - 2¹ = 540577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (540577) 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 15 ways as a sum of consecutive naturals, for example, 3154 + ... + 3320.

It is an arithmetic number, because the mean of its divisors is an integer number (49392).

2⁵⁴⁰⁵⁷⁹ is an apocalyptic number.

540579 is a deficient number, since it is larger than the sum of its proper divisors (249693).

540579 is a wasteful number, since it uses less digits than its factorization.

540579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266.

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 540579 is about 735.2407768888. The cubic root of 540579 is about 81.4616226907.

The spelling of 540579 in words is "five hundred forty thousand, five hundred seventy-nine".