2143085 has 8 divisors (see below), whose sum is σ = 2939136. Its totient is φ = 1469520.

The previous prime is 2143081. The next prime is 2143087. The reversal of 2143085 is 5803412.

2143085 = T₇₇₉ + T₇₈₀ + ... + T₇₈₅.

2143085 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 2143085 - 2² = 2143081 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2143085.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143081) 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, 30581 + ... + 30650.

It is an arithmetic number, because the mean of its divisors is an integer number (367392).

2^2143085 is an apocalyptic number.

It is an amenable number.

2143085 is a deficient number, since it is larger than the sum of its proper divisors (796051).

2143085 is an equidigital number, since it uses as much as digits as its factorization.

2143085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61243.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 2143085 is about 1463.9279353848. The cubic root of 2143085 is about 128.9277683881.

Adding to 2143085 its reverse (5803412), we get a palindrome (7946497).

The spelling of 2143085 in words is "two million, one hundred forty-three thousand, eighty-five".