540534 has 8 divisors (see below), whose sum is σ = 1081080. Its totient is φ = 180176.

The previous prime is 540517. The next prime is 540539. The reversal of 540534 is 435045.

It is a happy number.

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

540534 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 540534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540539) by changing a digit.

540534 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45039 + ... + 45050.

It is an arithmetic number, because the mean of its divisors is an integer number (135135).

2⁵⁴⁰⁵³⁴ is an apocalyptic number.

540534 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

540534 is a wasteful number, since it uses less digits than its factorization.

540534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90094.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 540534 is about 735.2101740319. The cubic root of 540534 is about 81.4593622288.

Adding to 540534 its reverse (435045), we get a palindrome (975579).

The spelling of 540534 in words is "five hundred forty thousand, five hundred thirty-four".