540243577 has 2 divisors, whose sum is σ = 540243578. Its totient is φ = 540243576.

The previous prime is 540243533. The next prime is 540243631. The reversal of 540243577 is 775342045.

It is a happy number.

540243577 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 501043456 + 39200121 = 22384^2 + 6261^2 .

It is a cyclic number.

It is not a de Polignac number, because 540243577 - 2⁷ = 540243449 is a prime.

It is not a weakly prime, because it can be changed into another prime (540253577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270121788 + 270121789.

It is an arithmetic number, because the mean of its divisors is an integer number (270121789).

Almost surely, 2^540243577 is an apocalyptic number.

It is an amenable number.

540243577 is a deficient number, since it is larger than the sum of its proper divisors (1).

540243577 is an equidigital number, since it uses as much as digits as its factorization.

540243577 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 117600, while the sum is 37.

The square root of 540243577 is about 23243.1404289524. The cubic root of 540243577 is about 814.4477054069.

The spelling of 540243577 in words is "five hundred forty million, two hundred forty-three thousand, five hundred seventy-seven".