2106065 has 8 divisors (see below), whose sum is σ = 2721768. Its totient is φ = 1555200.

The previous prime is 2106059. The next prime is 2106089. The reversal of 2106065 is 5606012.

It can be written as a sum of positive squares in 4 ways, for example, as 508369 + 1597696 = 713^2 + 1264^2 .

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

It is not a de Polignac number, because 2106065 - 2⁸ = 2105809 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16136 + ... + 16265.

It is an arithmetic number, because the mean of its divisors is an integer number (340221).

2^2106065 is an apocalyptic number.

It is an amenable number.

2106065 is a deficient number, since it is larger than the sum of its proper divisors (615703).

2106065 is a wasteful number, since it uses less digits than its factorization.

2106065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32419.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 2106065 is about 1451.2287896814. The cubic root of 2106065 is about 128.1810791592.

It can be divided in two parts, 21060 and 65, that multiplied together give a square (1368900 = 1170²).

The spelling of 2106065 in words is "two million, one hundred six thousand, sixty-five".