540007801 has 2 divisors, whose sum is σ = 540007802. Its totient is φ = 540007800.

The previous prime is 540007757. The next prime is 540007813. The reversal of 540007801 is 108700045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 328334400 + 211673401 = 18120^2 + 14549^2 .

It is a cyclic number.

It is not a de Polignac number, because 540007801 - 2⁷ = 540007673 is a prime.

It is not a weakly prime, because it can be changed into another prime (540005801) 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 as a sum of consecutive naturals, namely, 270003900 + 270003901.

It is an arithmetic number, because the mean of its divisors is an integer number (270003901).

Almost surely, 2^540007801 is an apocalyptic number.

It is an amenable number.

540007801 is a deficient number, since it is larger than the sum of its proper divisors (1).

540007801 is an equidigital number, since it uses as much as digits as its factorization.

540007801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 540007801 is about 23238.0679274332. The cubic root of 540007801 is about 814.3292062877.

Adding to 540007801 its reverse (108700045), we get a palindrome (648707846).

The spelling of 540007801 in words is "five hundred forty million, seven thousand, eight hundred one".