201333001 has 16 divisors (see below), whose sum is σ = 212486400. Its totient is φ = 190569600.

The previous prime is 201332969. The next prime is 201333049. The reversal of 201333001 is 100333102.

It is a cyclic number.

It is not a de Polignac number, because 201333001 - 2⁵ = 201332969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201333701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197070 + ... + 198088.

It is an arithmetic number, because the mean of its divisors is an integer number (13280400).

Almost surely, 2^201333001 is an apocalyptic number.

It is an amenable number.

201333001 is a deficient number, since it is larger than the sum of its proper divisors (11153399).

201333001 is a wasteful number, since it uses less digits than its factorization.

201333001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1200.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 201333001 is about 14189.1860584038. The cubic root of 201333001 is about 586.0999113270.

Adding to 201333001 its reverse (100333102), we get a palindrome (301666103).

The spelling of 201333001 in words is "two hundred one million, three hundred thirty-three thousand, one".