540581871 has 8 divisors (see below), whose sum is σ = 723124864. Its totient is φ = 359213400.

The previous prime is 540581831. The next prime is 540581891. The reversal of 540581871 is 178185045.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 540581871 - 2¹⁵ = 540549103 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 (540581831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292555 + ... + 294396.

It is an arithmetic number, because the mean of its divisors is an integer number (90390608).

Almost surely, 2^540581871 is an apocalyptic number.

540581871 is a deficient number, since it is larger than the sum of its proper divisors (182542993).

540581871 is a wasteful number, since it uses less digits than its factorization.

540581871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587261.

The product of its (nonzero) digits is 44800, while the sum is 39.

The square root of 540581871 is about 23250.4165769132. The cubic root of 540581871 is about 814.6176690395.

The spelling of 540581871 in words is "five hundred forty million, five hundred eighty-one thousand, eight hundred seventy-one".