540047201 has 2 divisors, whose sum is σ = 540047202. Its totient is φ = 540047200.

The previous prime is 540047171. The next prime is 540047243. The reversal of 540047201 is 102740045.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 476286976 + 63760225 = 21824^2 + 7985^2 .

It is a cyclic number.

It is not a de Polignac number, because 540047201 - 2²⁶ = 472938337 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (540047801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270023600 + 270023601.

It is an arithmetic number, because the mean of its divisors is an integer number (270023601).

Almost surely, 2^540047201 is an apocalyptic number.

It is an amenable number.

540047201 is a deficient number, since it is larger than the sum of its proper divisors (1).

540047201 is an equidigital number, since it uses as much as digits as its factorization.

540047201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 540047201 is about 23238.9156588684. The cubic root of 540047201 is about 814.3490108105.

Adding to 540047201 its reverse (102740045), we get a palindrome (642787246).

The spelling of 540047201 in words is "five hundred forty million, forty-seven thousand, two hundred one".