5647771 has 2 divisors, whose sum is σ = 5647772. Its totient is φ = 5647770.

The previous prime is 5647729. The next prime is 5647801. The reversal of 5647771 is 1777465.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5647771 - 2¹¹ = 5645723 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5647771.

It is not a weakly prime, because it can be changed into another prime (5647171) 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 as a sum of consecutive naturals, namely, 2823885 + 2823886.

It is an arithmetic number, because the mean of its divisors is an integer number (2823886).

Almost surely, 2^5647771 is an apocalyptic number.

5647771 is a deficient number, since it is larger than the sum of its proper divisors (1).

5647771 is an equidigital number, since it uses as much as digits as its factorization.

5647771 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41160, while the sum is 37.

The square root of 5647771 is about 2376.5039448736. The cubic root of 5647771 is about 178.0843243944.

The spelling of 5647771 in words is "five million, six hundred forty-seven thousand, seven hundred seventy-one".