3256559 has 4 divisors (see below), whose sum is σ = 3262440. Its totient is φ = 3250680.

The previous prime is 3256553. The next prime is 3256567. The reversal of 3256559 is 9556523.

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 3256559 - 2⁸ = 3256303 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 (3256553) 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, 2012 + ... + 3249.

It is an arithmetic number, because the mean of its divisors is an integer number (815610).

Almost surely, 2^3256559 is an apocalyptic number.

3256559 is a deficient number, since it is larger than the sum of its proper divisors (5881).

3256559 is an equidigital number, since it uses as much as digits as its factorization.

3256559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5880.

The product of its digits is 40500, while the sum is 35.

The square root of 3256559 is about 1804.5938601248. The cubic root of 3256559 is about 148.2243826755.

The spelling of 3256559 in words is "three million, two hundred fifty-six thousand, five hundred fifty-nine".