6551571 has 16 divisors (see below), whose sum is σ = 9712640. Its totient is φ = 3900960.

The previous prime is 6551569. The next prime is 6551581. The reversal of 6551571 is 1751556.

6551571 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6551571 - 2¹ = 6551569 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6551581) 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, 1501 + ... + 3918.

It is an arithmetic number, because the mean of its divisors is an integer number (607040).

Almost surely, 2^6551571 is an apocalyptic number.

6551571 is a deficient number, since it is larger than the sum of its proper divisors (3161069).

6551571 is a wasteful number, since it uses less digits than its factorization.

6551571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5466.

The product of its digits is 5250, while the sum is 30.

The square root of 6551571 is about 2559.6036802599. The cubic root of 6551571 is about 187.1178206481.

The spelling of 6551571 in words is "six million, five hundred fifty-one thousand, five hundred seventy-one".