540354491 has 2 divisors, whose sum is σ = 540354492. Its totient is φ = 540354490.

The previous prime is 540354487. The next prime is 540354533. The reversal of 540354491 is 194453045.

540354491 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 is a cyclic number.

It is not a de Polignac number, because 540354491 - 2² = 540354487 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (540354431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270177245 + 270177246.

It is an arithmetic number, because the mean of its divisors is an integer number (270177246).

Almost surely, 2^540354491 is an apocalyptic number.

540354491 is a deficient number, since it is larger than the sum of its proper divisors (1).

540354491 is an equidigital number, since it uses as much as digits as its factorization.

540354491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 540354491 is about 23245.5262577555. The cubic root of 540354491 is about 814.5034379662.

The spelling of 540354491 in words is "five hundred forty million, three hundred fifty-four thousand, four hundred ninety-one".