2000165 has 4 divisors (see below), whose sum is σ = 2400204. Its totient is φ = 1600128.

The previous prime is 2000153. The next prime is 2000177. The reversal of 2000165 is 5610002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5610002 = 2 ⋅2805001.

It is an interprime number because it is at equal distance from previous prime (2000153) and next prime (2000177).

It can be written as a sum of positive squares in 2 ways, for example, as 889249 + 1110916 = 943^2 + 1054^2 .

It is a cyclic number.

It is not a de Polignac number, because 2000165 - 2¹⁶ = 1934629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200012 + ... + 200021.

It is an arithmetic number, because the mean of its divisors is an integer number (600051).

2^2000165 is an apocalyptic number.

It is an amenable number.

2000165 is a deficient number, since it is larger than the sum of its proper divisors (400039).

2000165 is an equidigital number, since it uses as much as digits as its factorization.

2000165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400038.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 2000165 is about 1414.2718974794. The cubic root of 2000165 is about 125.9955696771.

Adding to 2000165 its reverse (5610002), we get a palindrome (7610167).

The spelling of 2000165 in words is "two million, one hundred sixty-five", and thus it is an aban number.