5665247 has 8 divisors (see below), whose sum is σ = 6490656. Its totient is φ = 4843872.

The previous prime is 5665243. The next prime is 5665259. The reversal of 5665247 is 7425665.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5665247 - 2² = 5665243 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 (5665243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3173 + ... + 4625.

It is an arithmetic number, because the mean of its divisors is an integer number (811332).

Almost surely, 2^5665247 is an apocalyptic number.

5665247 is a deficient number, since it is larger than the sum of its proper divisors (825409).

5665247 is a wasteful number, since it uses less digits than its factorization.

5665247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2017.

The product of its digits is 50400, while the sum is 35.

The square root of 5665247 is about 2380.1779345251. The cubic root of 5665247 is about 178.2678184438.

The spelling of 5665247 in words is "five million, six hundred sixty-five thousand, two hundred forty-seven".