540529 has 4 divisors (see below), whose sum is σ = 589680. Its totient is φ = 491380.

The previous prime is 540517. The next prime is 540539. The reversal of 540529 is 925045.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 540529 - 2¹¹ = 538481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540509) 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, 24559 + ... + 24580.

It is an arithmetic number, because the mean of its divisors is an integer number (147420).

2⁵⁴⁰⁵²⁹ is an apocalyptic number.

It is an amenable number.

540529 is a deficient number, since it is larger than the sum of its proper divisors (49151).

540529 is a wasteful number, since it uses less digits than its factorization.

540529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49150.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 540529 is about 735.2067736358. The cubic root of 540529 is about 81.4591110586.

The spelling of 540529 in words is "five hundred forty thousand, five hundred twenty-nine".