540271817 has 16 divisors (see below), whose sum is σ = 586051200. Its totient is φ = 496691712.

The previous prime is 540271811. The next prime is 540271847. The reversal of 540271817 is 718172045.

It is a cyclic number.

It is not a de Polignac number, because 540271817 - 2²⁸ = 271836361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540271811) 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 15 ways as a sum of consecutive naturals, for example, 66809 + ... + 74457.

It is an arithmetic number, because the mean of its divisors is an integer number (36628200).

Almost surely, 2^540271817 is an apocalyptic number.

It is an amenable number.

540271817 is a deficient number, since it is larger than the sum of its proper divisors (45779383).

540271817 is a wasteful number, since it uses less digits than its factorization.

540271817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7792.

The product of its (nonzero) digits is 15680, while the sum is 35.

The square root of 540271817 is about 23243.7479120730. The cubic root of 540271817 is about 814.4618962913.

The spelling of 540271817 in words is "five hundred forty million, two hundred seventy-one thousand, eight hundred seventeen".