5647271 has 8 divisors (see below), whose sum is σ = 6491520. Its totient is φ = 4812408.

The previous prime is 5647267. The next prime is 5647307. The reversal of 5647271 is 1727465.

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 5647271 - 2² = 5647267 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5647231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1001 + ... + 3506.

It is an arithmetic number, because the mean of its divisors is an integer number (811440).

Almost surely, 2^5647271 is an apocalyptic number.

5647271 is a deficient number, since it is larger than the sum of its proper divisors (844249).

5647271 is a wasteful number, since it uses less digits than its factorization.

5647271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4693.

The product of its digits is 11760, while the sum is 32.

The square root of 5647271 is about 2376.3987460020. The cubic root of 5647271 is about 178.0790689411.

The spelling of 5647271 in words is "five million, six hundred forty-seven thousand, two hundred seventy-one".