2003345125 has 8 divisors (see below), whose sum is σ = 2500174872. Its totient is φ = 1602676000.

The previous prime is 2003345119. The next prime is 2003345129. The reversal of 2003345125 is 5215433002.

It can be written as a sum of positive squares in 4 ways, for example, as 593117316 + 1410227809 = 24354^2 + 37553^2 .

It is not a de Polignac number, because 2003345125 - 2⁷ = 2003344997 is a prime.

It is a super-2 number, since 2×2003345125² = 8026783379722531250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2003345125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003345129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8013256 + ... + 8013505.

It is an arithmetic number, because the mean of its divisors is an integer number (312521859).

Almost surely, 2^2003345125 is an apocalyptic number.

2003345125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2003345125 is a deficient number, since it is larger than the sum of its proper divisors (496829747).

2003345125 is an equidigital number, since it uses as much as digits as its factorization.

2003345125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16026776 (or 16026766 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 2003345125 is about 44758.7435592198. The cubic root of 2003345125 is about 1260.6230908714.

Adding to 2003345125 its reverse (5215433002), we get a palindrome (7218778127).

The spelling of 2003345125 in words is "two billion, three million, three hundred forty-five thousand, one hundred twenty-five".