5205247 has 4 divisors (see below), whose sum is σ = 5511456. Its totient is φ = 4899040.

The previous prime is 5205227. The next prime is 5205251. The reversal of 5205247 is 7425025.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5205247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5205227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153079 + ... + 153112.

It is an arithmetic number, because the mean of its divisors is an integer number (1377864).

Almost surely, 2^5205247 is an apocalyptic number.

5205247 is a deficient number, since it is larger than the sum of its proper divisors (306209).

5205247 is a wasteful number, since it uses less digits than its factorization.

5205247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306208.

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 5205247 is about 2281.5010409816. The cubic root of 5205247 is about 173.3060727181.

The spelling of 5205247 in words is "five million, two hundred five thousand, two hundred forty-seven".