2008001 has 4 divisors (see below), whose sum is σ = 2012100. Its totient is φ = 2003904.

The previous prime is 2007979. The next prime is 2008003. The reversal of 2008001 is 1008002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1008002 = 2 ⋅504001.

It can be written as a sum of positive squares in 2 ways, for example, as 255025 + 1752976 = 505^2 + 1324^2 .

It is a cyclic number.

It is not a de Polignac number, because 2008001 - 2¹⁴ = 1991617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2008003) 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 3 ways as a sum of consecutive naturals, for example, 1196 + ... + 2333.

It is an arithmetic number, because the mean of its divisors is an integer number (503025).

2^2008001 is an apocalyptic number.

It is an amenable number.

2008001 is a deficient number, since it is larger than the sum of its proper divisors (4099).

2008001 is an equidigital number, since it uses as much as digits as its factorization.

2008001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4098.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2008001 is about 1417.0395195618. The cubic root of 2008001 is about 126.1598919161.

Subtracting from 2008001 its reverse (1008002), we obtain a palindrome (999999).

The spelling of 2008001 in words is "two million, eight thousand, one".