5218530047 has 2 divisors, whose sum is σ = 5218530048. Its totient is φ = 5218530046.

The previous prime is 5218530011. The next prime is 5218530059. The reversal of 5218530047 is 7400358125.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5218530047 - 2¹⁸ = 5218267903 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5218529989 and 5218530016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5218530067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2609265023 + 2609265024.

It is an arithmetic number, because the mean of its divisors is an integer number (2609265024).

Almost surely, 2^5218530047 is an apocalyptic number.

5218530047 is a deficient number, since it is larger than the sum of its proper divisors (1).

5218530047 is an equidigital number, since it uses as much as digits as its factorization.

5218530047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 5218530047 is about 72239.3940104705. The cubic root of 5218530047 is about 1734.5336494895.

The spelling of 5218530047 in words is "five billion, two hundred eighteen million, five hundred thirty thousand, forty-seven".