5312566447 has 2 divisors, whose sum is σ = 5312566448. Its totient is φ = 5312566446.

The previous prime is 5312566439. The next prime is 5312566477. The reversal of 5312566447 is 7446652135.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5312566447 - 2³ = 5312566439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5312566417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2656283223 + 2656283224.

It is an arithmetic number, because the mean of its divisors is an integer number (2656283224).

Almost surely, 2^5312566447 is an apocalyptic number.

5312566447 is a deficient number, since it is larger than the sum of its proper divisors (1).

5312566447 is an equidigital number, since it uses as much as digits as its factorization.

5312566447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 604800, while the sum is 43.

The square root of 5312566447 is about 72887.3545068004. The cubic root of 5312566447 is about 1744.8902865042.

The spelling of 5312566447 in words is "five billion, three hundred twelve million, five hundred sixty-six thousand, four hundred forty-seven".