540041 has 2 divisors, whose sum is σ = 540042. Its totient is φ = 540040.

The previous prime is 539993. The next prime is 540061. The reversal of 540041 is 140045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 395641 + 144400 = 629^2 + 380^2 .

It is a cyclic number.

It is not a de Polignac number, because 540041 - 2¹⁴ = 523657 is a prime.

It is a Sophie Germain prime.

It is an Ulam number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 539998 and 540025.

It is not a weakly prime, because it can be changed into another prime (540061) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270020 + 270021.

It is an arithmetic number, because the mean of its divisors is an integer number (270021).

2⁵⁴⁰⁰⁴¹ is an apocalyptic number.

It is an amenable number.

540041 is a deficient number, since it is larger than the sum of its proper divisors (1).

540041 is an equidigital number, since it uses as much as digits as its factorization.

540041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 540041 is about 734.8748192720. The cubic root of 540041 is about 81.4345893924.

Adding to 540041 its reverse (140045), we get a palindrome (680086).

The spelling of 540041 in words is "five hundred forty thousand, forty-one".