540540231 has 16 divisors (see below), whose sum is σ = 898560768. Its totient is φ = 280800000.

The previous prime is 540540179. The next prime is 540540233. The reversal of 540540231 is 132045045.

It is not a de Polignac number, because 540540231 - 2¹¹ = 540538183 is a prime.

It is a super-2 number, since 2×540540231² = 584367482659066722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540540233) 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 15 ways as a sum of consecutive naturals, for example, 1169770 + ... + 1170231.

It is an arithmetic number, because the mean of its divisors is an integer number (56160048).

Almost surely, 2^540540231 is an apocalyptic number.

540540231 is a deficient number, since it is larger than the sum of its proper divisors (358020537).

540540231 is a wasteful number, since it uses less digits than its factorization.

540540231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2340022.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 540540231 is about 23249.5210918419. The cubic root of 540540231 is about 814.5967523492.

Adding to 540540231 its reverse (132045045), we get a palindrome (672585276).

The spelling of 540540231 in words is "five hundred forty million, five hundred forty thousand, two hundred thirty-one".