2181035 has 8 divisors (see below), whose sum is σ = 2673216. Its totient is φ = 1707520.

The previous prime is 2181031. The next prime is 2181071. The reversal of 2181035 is 5301812.

2181035 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2181035 - 2² = 2181031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2180998 and 2181016.

It is not an unprimeable number, because it can be changed into a prime (2181031) 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 7 ways as a sum of consecutive naturals, for example, 4406 + ... + 4875.

It is an arithmetic number, because the mean of its divisors is an integer number (334152).

2^2181035 is an apocalyptic number.

2181035 is a deficient number, since it is larger than the sum of its proper divisors (492181).

2181035 is an equidigital number, since it uses as much as digits as its factorization.

2181035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9333.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 2181035 is about 1476.8327596583. The cubic root of 2181035 is about 129.6843426434.

Adding to 2181035 its reverse (5301812), we get a palindrome (7482847).

The spelling of 2181035 in words is "two million, one hundred eighty-one thousand, thirty-five".