5647131 has 16 divisors (see below), whose sum is σ = 9561600. Its totient is φ = 3226824.

The previous prime is 5647129. The next prime is 5647163. The reversal of 5647131 is 1317465.

5647131 is a `hidden beast` number, since 5 + 647 + 13 + 1 = 666.

It is not a de Polignac number, because 5647131 - 2¹ = 5647129 is a prime.

It is a super-2 number, since 2×5647131² = 63780177062322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 5647095 and 5647104.

It is not an unprimeable number, because it can be changed into a prime (5647171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14751 + ... + 15128.

It is an arithmetic number, because the mean of its divisors is an integer number (597600).

Almost surely, 2^5647131 is an apocalyptic number.

5647131 is a deficient number, since it is larger than the sum of its proper divisors (3914469).

5647131 is a wasteful number, since it uses less digits than its factorization.

5647131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29895 (or 29889 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 5647131 is about 2376.3692894834. The cubic root of 5647131 is about 178.0775973586.

It can be divided in two parts, 5647 and 131, that added together give a triangular number (5778 = T₁₀₇).

The spelling of 5647131 in words is "five million, six hundred forty-seven thousand, one hundred thirty-one".