2001335 has 16 divisors (see below), whose sum is σ = 2767872. Its totient is φ = 1360800.

The previous prime is 2001331. The next prime is 2001347. The reversal of 2001335 is 5331002.

It is not a de Polignac number, because 2001335 - 2² = 2001331 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7250 + ... + 7520.

It is an arithmetic number, because the mean of its divisors is an integer number (172992).

2^2001335 is an apocalyptic number.

2001335 is a deficient number, since it is larger than the sum of its proper divisors (766537).

2001335 is a wasteful number, since it uses less digits than its factorization.

2001335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494.

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 2001335 is about 1414.6854774119. The cubic root of 2001335 is about 126.0201319978.

Adding to 2001335 its reverse (5331002), we get a palindrome (7332337).

The spelling of 2001335 in words is "two million, one thousand, three hundred thirty-five".