540530 has 16 divisors (see below), whose sum is σ = 981504. Its totient is φ = 214320.

The previous prime is 540517. The next prime is 540539. The reversal of 540530 is 35045.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 540499 and 540508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540539) 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 7 ways as a sum of consecutive naturals, for example, 1769 + ... + 2051.

It is an arithmetic number, because the mean of its divisors is an integer number (61344).

2⁵⁴⁰⁵³⁰ is an apocalyptic number.

540530 is a deficient number, since it is larger than the sum of its proper divisors (440974).

540530 is a wasteful number, since it uses less digits than its factorization.

540530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481.

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 540530 is about 735.2074537163. The cubic root of 540530 is about 81.4591612928.

Adding to 540530 its reverse (35045), we get a palindrome (575575).

The spelling of 540530 in words is "five hundred forty thousand, five hundred thirty".