540450633 has 4 divisors (see below), whose sum is σ = 720600848. Its totient is φ = 360300420.

The previous prime is 540450629. The next prime is 540450709. The reversal of 540450633 is 336054045.

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 540450633 - 2² = 540450629 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 540450633.

It is not an unprimeable number, because it can be changed into a prime (540450623) 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, 90075103 + ... + 90075108.

It is an arithmetic number, because the mean of its divisors is an integer number (180150212).

Almost surely, 2^540450633 is an apocalyptic number.

It is an amenable number.

540450633 is a deficient number, since it is larger than the sum of its proper divisors (180150215).

540450633 is a wasteful number, since it uses less digits than its factorization.

540450633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180150214.

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

The square root of 540450633 is about 23247.5941335872. The cubic root of 540450633 is about 814.5517416551.

The spelling of 540450633 in words is "five hundred forty million, four hundred fifty thousand, six hundred thirty-three".