6559069 has 4 divisors (see below), whose sum is σ = 7155360. Its totient is φ = 5962780.

The previous prime is 6559067. The next prime is 6559079. The reversal of 6559069 is 9609556.

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 a cyclic number.

It is not a de Polignac number, because 6559069 - 2¹ = 6559067 is a prime.

It is a super-2 number, since 2×6559069² = 86042772293522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) 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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6559067) 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, 298129 + ... + 298150.

It is an arithmetic number, because the mean of its divisors is an integer number (1788840).

Almost surely, 2^6559069 is an apocalyptic number.

It is an amenable number.

6559069 is a deficient number, since it is larger than the sum of its proper divisors (596291).

6559069 is a wasteful number, since it uses less digits than its factorization.

6559069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596290.

The product of its (nonzero) digits is 72900, while the sum is 40.

The square root of 6559069 is about 2561.0679413089. The cubic root of 6559069 is about 187.1891762833.

The spelling of 6559069 in words is "six million, five hundred fifty-nine thousand, sixty-nine".