5647111 has 4 divisors (see below), whose sum is σ = 5979312. Its totient is φ = 5314912.

The previous prime is 5647093. The next prime is 5647129. The reversal of 5647111 is 1117465.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1117465 = 5 ⋅223493.

It is an interprime number because it is at equal distance from previous prime (5647093) and next prime (5647129).

It is a cyclic number.

It is not a de Polignac number, because 5647111 - 2¹¹ = 5645063 is a prime.

It is an Ulam number.

It is a Duffinian number.

5647111 is a lucky number.

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166075 + ... + 166108.

It is an arithmetic number, because the mean of its divisors is an integer number (1494828).

Almost surely, 2^5647111 is an apocalyptic number.

5647111 is a deficient number, since it is larger than the sum of its proper divisors (332201).

5647111 is a wasteful number, since it uses less digits than its factorization.

5647111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332200.

The product of its digits is 840, while the sum is 25.

The square root of 5647111 is about 2376.3650813795. The cubic root of 5647111 is about 178.0773871306.

The spelling of 5647111 in words is "five million, six hundred forty-seven thousand, one hundred eleven".