2003211601 has 8 divisors (see below), whose sum is σ = 2038059360. Its totient is φ = 1968393792.

The previous prime is 2003211589. The next prime is 2003211607. The reversal of 2003211601 is 1061123002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2003211601 - 2²⁵ = 1969657169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2003211607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159321 + ... + 171433.

It is an arithmetic number, because the mean of its divisors is an integer number (254757420).

Almost surely, 2^2003211601 is an apocalyptic number.

It is an amenable number.

2003211601 is a deficient number, since it is larger than the sum of its proper divisors (34847759).

2003211601 is a wasteful number, since it uses less digits than its factorization.

2003211601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14975.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2003211601 is about 44757.2519375352. The cubic root of 2003211601 is about 1260.5950831865.

Adding to 2003211601 its reverse (1061123002), we get a palindrome (3064334603).

The spelling of 2003211601 in words is "two billion, three million, two hundred eleven thousand, six hundred one".