540696005 has 6 divisors (see below), whose sum is σ = 648897606. Its totient is φ = 432515208.

The previous prime is 540695989. The next prime is 540696007. The reversal of 540696005 is 500696045.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 432556804 + 108139201 = 20798^2 + 10399^2 .

It is not a de Polignac number, because 540696005 - 2⁴ = 540695989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540696007) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46796 + ... + 57194.

It is an arithmetic number, because the mean of its divisors is an integer number (108149601).

Almost surely, 2^540696005 is an apocalyptic number.

It is an amenable number.

540696005 is a deficient number, since it is larger than the sum of its proper divisors (108201601).

540696005 is an frugal number, since it uses more digits than its factorization.

540696005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20803 (or 10404 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 540696005 is about 23252.8708980203. The cubic root of 540696005 is about 814.6749955583.

The spelling of 540696005 in words is "five hundred forty million, six hundred ninety-six thousand, five".