2001235 has 4 divisors (see below), whose sum is σ = 2401488. Its totient is φ = 1600984.

The previous prime is 2001229. The next prime is 2001247. The reversal of 2001235 is 5321002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2001235 - 2¹¹ = 1999187 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is an unprimeable number.

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, 200119 + ... + 200128.

It is an arithmetic number, because the mean of its divisors is an integer number (600372).

2^2001235 is an apocalyptic number.

2001235 is a deficient number, since it is larger than the sum of its proper divisors (400253).

2001235 is an equidigital number, since it uses as much as digits as its factorization.

2001235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400252.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 2001235 is about 1414.6501334252. The cubic root of 2001235 is about 126.0180330283.

Adding to 2001235 its reverse (5321002), we get a palindrome (7322237).

The spelling of 2001235 in words is "two million, one thousand, two hundred thirty-five".