540102457 has 2 divisors, whose sum is σ = 540102458. Its totient is φ = 540102456.

The previous prime is 540102413. The next prime is 540102533. The reversal of 540102457 is 754201045.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 413674921 + 126427536 = 20339^2 + 11244^2 .

It is a cyclic number.

It is not a de Polignac number, because 540102457 - 2¹⁵ = 540069689 is a prime.

It is not a weakly prime, because it can be changed into another prime (540132457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270051228 + 270051229.

It is an arithmetic number, because the mean of its divisors is an integer number (270051229).

Almost surely, 2^540102457 is an apocalyptic number.

It is an amenable number.

540102457 is a deficient number, since it is larger than the sum of its proper divisors (1).

540102457 is an equidigital number, since it uses as much as digits as its factorization.

540102457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 540102457 is about 23240.1044963227. The cubic root of 540102457 is about 814.3767837745.

The spelling of 540102457 in words is "five hundred forty million, one hundred two thousand, four hundred fifty-seven".