540633533 has 4 divisors (see below), whose sum is σ = 589782048. Its totient is φ = 491485020.

The previous prime is 540633517. The next prime is 540633551. The reversal of 540633533 is 335336045.

540633533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 540633533 - 2⁴ = 540633517 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 540633533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540633553) 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, 24574241 + ... + 24574262.

It is an arithmetic number, because the mean of its divisors is an integer number (147445512).

Almost surely, 2^540633533 is an apocalyptic number.

It is an amenable number.

540633533 is a deficient number, since it is larger than the sum of its proper divisors (49148515).

540633533 is a wasteful number, since it uses less digits than its factorization.

540633533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49148514.

The product of its (nonzero) digits is 48600, while the sum is 32.

The square root of 540633533 is about 23251.5275412176. The cubic root of 540633533 is about 814.6436185084.

Adding to 540633533 its reverse (335336045), we get a palindrome (875969578).

The spelling of 540633533 in words is "five hundred forty million, six hundred thirty-three thousand, five hundred thirty-three".