5247643 has 4 divisors (see below), whose sum is σ = 5253688. Its totient is φ = 5241600.

The previous prime is 5247589. The next prime is 5247653. The reversal of 5247643 is 3467425.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 5247643 - 2⁹ = 5247131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5247653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1446 + ... + 3547.

It is an arithmetic number, because the mean of its divisors is an integer number (1313422).

Almost surely, 2^5247643 is an apocalyptic number.

5247643 is a deficient number, since it is larger than the sum of its proper divisors (6045).

5247643 is a wasteful number, since it uses less digits than its factorization.

5247643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6044.

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

The square root of 5247643 is about 2290.7734501692. The cubic root of 5247643 is about 173.7753188437.

The spelling of 5247643 in words is "five million, two hundred forty-seven thousand, six hundred forty-three".