540544031 has 2 divisors, whose sum is σ = 540544032. Its totient is φ = 540544030.

The previous prime is 540544027. The next prime is 540544061. The reversal of 540544031 is 130445045.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 540544031 - 2² = 540544027 is a prime.

It is a super-2 number, since 2×540544031² = 584375698899457922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540544061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270272015 + 270272016.

It is an arithmetic number, because the mean of its divisors is an integer number (270272016).

Almost surely, 2^540544031 is an apocalyptic number.

540544031 is a deficient number, since it is larger than the sum of its proper divisors (1).

540544031 is an equidigital number, since it uses as much as digits as its factorization.

540544031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 540544031 is about 23249.6028138117. The cubic root of 540544031 is about 814.5986612175.

Adding to 540544031 its reverse (130445045), we get a palindrome (670989076).

It can be divided in two parts, 54054 and 4031, that added together give a palindrome (58085).

The spelling of 540544031 in words is "five hundred forty million, five hundred forty-four thousand, thirty-one".