540650433 has 4 divisors (see below), whose sum is σ = 720867248. Its totient is φ = 360433620.

The previous prime is 540650417. The next prime is 540650437. The reversal of 540650433 is 334056045.

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 not a de Polignac number, because 540650433 - 2⁴ = 540650417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 540650433.

It is not an unprimeable number, because it can be changed into a prime (540650437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90108403 + ... + 90108408.

It is an arithmetic number, because the mean of its divisors is an integer number (180216812).

Almost surely, 2^540650433 is an apocalyptic number.

It is an amenable number.

540650433 is a deficient number, since it is larger than the sum of its proper divisors (180216815).

540650433 is a wasteful number, since it uses less digits than its factorization.

540650433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180216814.

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 540650433 is about 23251.8909553610. The cubic root of 540650433 is about 814.6521069039.

The spelling of 540650433 in words is "five hundred forty million, six hundred fifty thousand, four hundred thirty-three".