5247689 has 4 divisors (see below), whose sum is σ = 5346756. Its totient is φ = 5148624.

The previous prime is 5247661. The next prime is 5247701. The reversal of 5247689 is 9867425.

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 1247689 + 4000000 = 1117^2 + 2000^2 .

It is a cyclic number.

It is not a de Polignac number, because 5247689 - 2⁸ = 5247433 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5247659) 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, 49454 + ... + 49559.

It is an arithmetic number, because the mean of its divisors is an integer number (1336689).

Almost surely, 2^5247689 is an apocalyptic number.

It is an amenable number.

5247689 is a deficient number, since it is larger than the sum of its proper divisors (99067).

5247689 is an equidigital number, since it uses as much as digits as its factorization.

5247689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99066.

The product of its digits is 120960, while the sum is 41.

The square root of 5247689 is about 2290.7834904242. The cubic root of 5247689 is about 173.7758266044.

The spelling of 5247689 in words is "five million, two hundred forty-seven thousand, six hundred eighty-nine".