5247845 has 4 divisors (see below), whose sum is σ = 6297420. Its totient is φ = 4198272.

The previous prime is 5247793. The next prime is 5247871. The reversal of 5247845 is 5487425.

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

It can be written as a sum of positive squares in 2 ways, for example, as 693889 + 4553956 = 833^2 + 2134^2 .

It is a cyclic number.

It is not a de Polignac number, because 5247845 - 2⁸ = 5247589 is a prime.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 524780 + ... + 524789.

It is an arithmetic number, because the mean of its divisors is an integer number (1574355).

Almost surely, 2^5247845 is an apocalyptic number.

It is an amenable number.

5247845 is a deficient number, since it is larger than the sum of its proper divisors (1049575).

5247845 is a wasteful number, since it uses less digits than its factorization.

5247845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049574.

The product of its digits is 44800, while the sum is 35.

The square root of 5247845 is about 2290.8175396570. The cubic root of 5247845 is about 173.7775485536. Note that the first 3 decimals are identical.

The spelling of 5247845 in words is "five million, two hundred forty-seven thousand, eight hundred forty-five".