540533 has 8 divisors (see below), whose sum is σ = 634752. Its totient is φ = 450576.

The previous prime is 540517. The next prime is 540539. The reversal of 540533 is 335045.

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

It is not a de Polignac number, because 540533 - 2⁴ = 540517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 540533.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 785 + ... + 1302.

It is an arithmetic number, because the mean of its divisors is an integer number (79344).

2⁵⁴⁰⁵³³ is an apocalyptic number.

It is an amenable number.

540533 is a deficient number, since it is larger than the sum of its proper divisors (94219).

540533 is a wasteful number, since it uses less digits than its factorization.

540533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2131.

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 540533 is about 735.2094939539. The cubic root of 540533 is about 81.4593119949.

Adding to 540533 its reverse (335045), we get a palindrome (875578).

The spelling of 540533 in words is "five hundred forty thousand, five hundred thirty-three".