5128025647 has 2 divisors, whose sum is σ = 5128025648. Its totient is φ = 5128025646.

The previous prime is 5128025621. The next prime is 5128025657. The reversal of 5128025647 is 7465208215.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5128025647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5128025657) 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, 2564012823 + 2564012824.

It is an arithmetic number, because the mean of its divisors is an integer number (2564012824).

Almost surely, 2^5128025647 is an apocalyptic number.

5128025647 is a deficient number, since it is larger than the sum of its proper divisors (1).

5128025647 is an equidigital number, since it uses as much as digits as its factorization.

5128025647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 134400, while the sum is 40.

The square root of 5128025647 is about 71610.2342336624. The cubic root of 5128025647 is about 1724.4478408643.

The spelling of 5128025647 in words is "five billion, one hundred twenty-eight million, twenty-five thousand, six hundred forty-seven".