540111647 has 2 divisors, whose sum is σ = 540111648. Its totient is φ = 540111646.

The previous prime is 540111581. The next prime is 540111653. The reversal of 540111647 is 746111045.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 540111647 - 2¹⁸ = 539849503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540119647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270055823 + 270055824.

It is an arithmetic number, because the mean of its divisors is an integer number (270055824).

Almost surely, 2^540111647 is an apocalyptic number.

540111647 is a deficient number, since it is larger than the sum of its proper divisors (1).

540111647 is an equidigital number, since it uses as much as digits as its factorization.

540111647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 540111647 is about 23240.3022140419. The cubic root of 540111647 is about 814.3814027007.

The spelling of 540111647 in words is "five hundred forty million, one hundred eleven thousand, six hundred forty-seven".