2003125005 has 64 divisors (see below), whose sum is σ = 4076167680. Its totient is φ = 914291712.

The previous prime is 2003124997. The next prime is 2003125013. The reversal of 2003125005 is 5005213002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2003124997) and next prime (2003125013).

It is not a de Polignac number, because 2003125005 - 2³ = 2003124997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 827557 + ... + 829973.

It is an arithmetic number, because the mean of its divisors is an integer number (63690120).

Almost surely, 2^2003125005 is an apocalyptic number.

It is an amenable number.

2003125005 is an abundant number, since it is smaller than the sum of its proper divisors (2073042675).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2003125005 is a wasteful number, since it uses less digits than its factorization.

2003125005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3315 (or 3309 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 2003125005 is about 44756.2845307785. The cubic root of 2003125005 is about 1260.5769183448.

Adding to 2003125005 its reverse (5005213002), we get a palindrome (7008338007).

The spelling of 2003125005 in words is "two billion, three million, one hundred twenty-five thousand, five".