540033533 has 4 divisors (see below), whose sum is σ = 581574588. Its totient is φ = 498492480.

The previous prime is 540033521. The next prime is 540033553. The reversal of 540033533 is 335330045.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 226141444 + 313892089 = 15038^2 + 17717^2 .

It is a cyclic number.

It is not a de Polignac number, because 540033533 - 2²² = 535839229 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540033553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20770508 + ... + 20770533.

It is an arithmetic number, because the mean of its divisors is an integer number (145393647).

Almost surely, 2^540033533 is an apocalyptic number.

It is an amenable number.

540033533 is a deficient number, since it is larger than the sum of its proper divisors (41541055).

540033533 is a wasteful number, since it uses less digits than its factorization.

540033533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41541054.

The product of its (nonzero) digits is 8100, while the sum is 26.

The square root of 540033533 is about 23238.6215813245. The cubic root of 540033533 is about 814.3421406603.

Adding to 540033533 its reverse (335330045), we get a palindrome (875363578).

The spelling of 540033533 in words is "five hundred forty million, thirty-three thousand, five hundred thirty-three".