2003332521 has 16 divisors (see below), whose sum is σ = 2712797568. Its totient is φ = 1314768000.

The previous prime is 2003332517. The next prime is 2003332523. The reversal of 2003332521 is 1252333002.

It is not a de Polignac number, because 2003332521 - 2² = 2003332517 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2003332523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142605 + ... + 156021.

It is an arithmetic number, because the mean of its divisors is an integer number (169549848).

Almost surely, 2^2003332521 is an apocalyptic number.

It is an amenable number.

2003332521 is a deficient number, since it is larger than the sum of its proper divisors (709465047).

2003332521 is a wasteful number, since it uses less digits than its factorization.

2003332521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14192.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 2003332521 is about 44758.6027596930. The cubic root of 2003332521 is about 1260.6204471388.

Adding to 2003332521 its reverse (1252333002), we get a palindrome (3255665523).

The spelling of 2003332521 in words is "two billion, three million, three hundred thirty-two thousand, five hundred twenty-one".