6254528647 has 2 divisors, whose sum is σ = 6254528648. Its totient is φ = 6254528646.

The previous prime is 6254528627. The next prime is 6254528681. The reversal of 6254528647 is 7468254526.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6254528647 - 2⁷ = 6254528519 is a prime.

It is a super-2 number, since 2×6254528647² = 78238257192287301218, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6254528647.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6254528627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3127264323 + 3127264324.

It is an arithmetic number, because the mean of its divisors is an integer number (3127264324).

Almost surely, 2^6254528647 is an apocalyptic number.

6254528647 is a deficient number, since it is larger than the sum of its proper divisors (1).

6254528647 is an equidigital number, since it uses as much as digits as its factorization.

6254528647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3225600, while the sum is 49.

The square root of 6254528647 is about 79085.5779962440. The cubic root of 6254528647 is about 1842.4605399933.

The spelling of 6254528647 in words is "six billion, two hundred fifty-four million, five hundred twenty-eight thousand, six hundred forty-seven".