2001335241 has 4 divisors (see below), whose sum is σ = 2668446992. Its totient is φ = 1334223492.

The previous prime is 2001335213. The next prime is 2001335243. The reversal of 2001335241 is 1425331002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2001335241 - 2⁵ = 2001335209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001335243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333555871 + ... + 333555876.

It is an arithmetic number, because the mean of its divisors is an integer number (667111748).

Almost surely, 2^2001335241 is an apocalyptic number.

It is an amenable number.

2001335241 is a deficient number, since it is larger than the sum of its proper divisors (667111751).

2001335241 is an equidigital number, since it uses as much as digits as its factorization.

2001335241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667111750.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2001335241 is about 44736.2855074044. The cubic root of 2001335241 is about 1260.2013705619.

Adding to 2001335241 its reverse (1425331002), we get a palindrome (3426666243).

The spelling of 2001335241 in words is "two billion, one million, three hundred thirty-five thousand, two hundred forty-one".