6552561 has 4 divisors (see below), whose sum is σ = 8736752. Its totient is φ = 4368372.

The previous prime is 6552547. The next prime is 6552593. The reversal of 6552561 is 1652556.

6552561 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 6552561 - 2⁵ = 6552529 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6552541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1092091 + ... + 1092096.

It is an arithmetic number, because the mean of its divisors is an integer number (2184188).

Almost surely, 2^6552561 is an apocalyptic number.

It is an amenable number.

6552561 is a deficient number, since it is larger than the sum of its proper divisors (2184191).

6552561 is a wasteful number, since it uses less digits than its factorization.

6552561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2184190.

The product of its digits is 9000, while the sum is 30.

The square root of 6552561 is about 2559.7970622688. The cubic root of 6552561 is about 187.1272452229.

The spelling of 6552561 in words is "six million, five hundred fifty-two thousand, five hundred sixty-one".