540441457 has 2 divisors, whose sum is σ = 540441458. Its totient is φ = 540441456.

The previous prime is 540441443. The next prime is 540441463. The reversal of 540441457 is 754144045.

540441457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 434680801 + 105760656 = 20849^2 + 10284^2 .

It is a cyclic number.

It is not a de Polignac number, because 540441457 - 2¹⁵ = 540408689 is a prime.

It is not a weakly prime, because it can be changed into another prime (540441427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270220728 + 270220729.

It is an arithmetic number, because the mean of its divisors is an integer number (270220729).

Almost surely, 2^540441457 is an apocalyptic number.

It is an amenable number.

540441457 is a deficient number, since it is larger than the sum of its proper divisors (1).

540441457 is an equidigital number, since it uses as much as digits as its factorization.

540441457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44800, while the sum is 34.

The square root of 540441457 is about 23247.3967789944. The cubic root of 540441457 is about 814.5471316941.

The spelling of 540441457 in words is "five hundred forty million, four hundred forty-one thousand, four hundred fifty-seven".