6612559 has 4 divisors (see below), whose sum is σ = 6703216. Its totient is φ = 6521904.

The previous prime is 6612547. The next prime is 6612563. The reversal of 6612559 is 9552166.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6612559 - 2¹¹ = 6610511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6612539) 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 in 3 ways as a sum of consecutive naturals, for example, 45219 + ... + 45364.

It is an arithmetic number, because the mean of its divisors is an integer number (1675804).

Almost surely, 2^6612559 is an apocalyptic number.

6612559 is a deficient number, since it is larger than the sum of its proper divisors (90657).

6612559 is an equidigital number, since it uses as much as digits as its factorization.

6612559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90656.

The product of its digits is 16200, while the sum is 34.

The square root of 6612559 is about 2571.4896461001. The cubic root of 6612559 is about 187.6966493864.

The spelling of 6612559 in words is "six million, six hundred twelve thousand, five hundred fifty-nine".