540224647 has 2 divisors, whose sum is σ = 540224648. Its totient is φ = 540224646.

The previous prime is 540224639. The next prime is 540224683. The reversal of 540224647 is 746422045.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 540224647 - 2³ = 540224639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540224687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270112323 + 270112324.

It is an arithmetic number, because the mean of its divisors is an integer number (270112324).

Almost surely, 2^540224647 is an apocalyptic number.

540224647 is a deficient number, since it is larger than the sum of its proper divisors (1).

540224647 is an equidigital number, since it uses as much as digits as its factorization.

540224647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 53760, while the sum is 34.

The square root of 540224647 is about 23242.7332084675. The cubic root of 540224647 is about 814.4381926144.

The spelling of 540224647 in words is "five hundred forty million, two hundred twenty-four thousand, six hundred forty-seven".