5243647 has 2 divisors, whose sum is σ = 5243648. Its totient is φ = 5243646.

The previous prime is 5243629. The next prime is 5243669. The reversal of 5243647 is 7463425.

5243647 is nontrivially palindromic in base 11.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5243647 is a prime.

It is a d-powerful number, because it can be written as 5 + 2⁹ + 4¹⁰ + 3³ + 6³ + 4¹¹ + 7 .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5243687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2621823 + 2621824.

It is an arithmetic number, because the mean of its divisors is an integer number (2621824).

Almost surely, 2^5243647 is an apocalyptic number.

5243647 is a deficient number, since it is larger than the sum of its proper divisors (1).

5243647 is an equidigital number, since it uses as much as digits as its factorization.

5243647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 31.

The square root of 5243647 is about 2289.9010895670. The cubic root of 5243647 is about 173.7311985591.

The spelling of 5243647 in words is "five million, two hundred forty-three thousand, six hundred forty-seven".