5247447 has 4 divisors (see below), whose sum is σ = 6996600. Its totient is φ = 3498296.

The previous prime is 5247443. The next prime is 5247449. The reversal of 5247447 is 7447425.

5247447 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5247447 - 2² = 5247443 is a prime.

It is a d-powerful number, because it can be written as 5 + 2¹¹ + 4³ + 7² + 4¹⁰ + 4¹¹ + 7⁴ .

It is a D-number.

5247447 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5247443) 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, 874572 + ... + 874577.

It is an arithmetic number, because the mean of its divisors is an integer number (1749150).

Almost surely, 2^5247447 is an apocalyptic number.

5247447 is a deficient number, since it is larger than the sum of its proper divisors (1749153).

5247447 is a wasteful number, since it uses less digits than its factorization.

5247447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1749152.

The product of its digits is 31360, while the sum is 33.

The square root of 5247447 is about 2290.7306694590. The cubic root of 5247447 is about 173.7731553082.

The spelling of 5247447 in words is "five million, two hundred forty-seven thousand, four hundred forty-seven".