2066065 has 8 divisors (see below), whose sum is σ = 2493288. Its totient is φ = 1643520.

The previous prime is 2066059. The next prime is 2066069. The reversal of 2066065 is 5606602.

It can be written as a sum of positive squares in 4 ways, for example, as 425104 + 1640961 = 652^2 + 1281^2 .

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

It is not a de Polignac number, because 2066065 - 2⁵ = 2066033 is a prime.

It is a Duffinian number.

2066065 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2066069) 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, 106 + ... + 2035.

It is an arithmetic number, because the mean of its divisors is an integer number (311661).

2^2066065 is an apocalyptic number.

It is an amenable number.

2066065 is a deficient number, since it is larger than the sum of its proper divisors (427223).

2066065 is a wasteful number, since it uses less digits than its factorization.

2066065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2339.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 2066065 is about 1437.3812994470. The cubic root of 2066065 is about 127.3643822630.

The spelling of 2066065 in words is "two million, sixty-six thousand, sixty-five".