540871331 has 24 divisors (see below), whose sum is σ = 731721312. Its totient is φ = 389030400.

The previous prime is 540871319. The next prime is 540871363. The reversal of 540871331 is 133178045.

It is not a de Polignac number, because 540871331 - 2¹⁰ = 540870307 is a prime.

It is a super-2 number, since 2×540871331² = 585083593395423122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (540871301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13550 + ... + 35571.

It is an arithmetic number, because the mean of its divisors is an integer number (30488388).

Almost surely, 2^540871331 is an apocalyptic number.

540871331 is a deficient number, since it is larger than the sum of its proper divisors (190849981).

540871331 is a wasteful number, since it uses less digits than its factorization.

540871331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49163 (or 49152 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 540871331 is about 23256.6405785530. The cubic root of 540871331 is about 814.7630415036.

The spelling of 540871331 in words is "five hundred forty million, eight hundred seventy-one thousand, three hundred thirty-one".