2180559 has 4 divisors (see below), whose sum is σ = 2907416. Its totient is φ = 1453704.

The previous prime is 2180557. The next prime is 2180569. The reversal of 2180559 is 9550812.

2180559 is digitally balanced in base 2, 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.

It is not a de Polignac number, because 2180559 - 2¹ = 2180557 is a prime.

It is a D-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 (2180551) 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, 363424 + ... + 363429.

It is an arithmetic number, because the mean of its divisors is an integer number (726854).

2^2180559 is an apocalyptic number.

2180559 is a deficient number, since it is larger than the sum of its proper divisors (726857).

2180559 is an equidigital number, since it uses as much as digits as its factorization.

2180559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726856.

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 2180559 is about 1476.6715951761. The cubic root of 2180559 is about 129.6749076369.

The spelling of 2180559 in words is "two million, one hundred eighty thousand, five hundred fifty-nine".