2001003325 has 6 divisors (see below), whose sum is σ = 2481244154. Its totient is φ = 1600802640.

The previous prime is 2001003311. The next prime is 2001003337. The reversal of 2001003325 is 5233001002.

It can be written as a sum of positive squares in 3 ways, for example, as 74407876 + 1926595449 = 8626^2 + 43893^2 .

It is not a de Polignac number, because 2001003325 - 2⁵ = 2001003293 is a prime.

It is a super-2 number, since 2×2001003325² = 8008028613322111250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2001003299 and 2001003308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40020042 + ... + 40020091.

Almost surely, 2^2001003325 is an apocalyptic number.

2001003325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2001003325 is a deficient number, since it is larger than the sum of its proper divisors (480240829).

2001003325 is an equidigital number, since it uses as much as digits as its factorization.

2001003325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80040143 (or 80040138 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 2001003325 is about 44732.5756580146. The cubic root of 2001003325 is about 1260.1316997217.

Adding to 2001003325 its reverse (5233001002), we get a palindrome (7234004327).

The spelling of 2001003325 in words is "two billion, one million, three thousand, three hundred twenty-five".