2003000025 has 48 divisors (see below), whose sum is σ = 3582340160. Its totient is φ = 981676800.

The previous prime is 2002999981. The next prime is 2003000029. The reversal of 2003000025 is 5200003002.

It is not a de Polignac number, because 2003000025 - 2⁶ = 2002999961 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2003000029) 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 47 ways as a sum of consecutive naturals, for example, 218790 + ... + 227760.

Almost surely, 2^2003000025 is an apocalyptic number.

2003000025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2003000025 is a deficient number, since it is larger than the sum of its proper divisors (1579340135).

2003000025 is a wasteful number, since it uses less digits than its factorization.

2003000025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9226 (or 9221 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 12.

The square root of 2003000025 is about 44754.8882804996. Note that the first 3 decimals coincide. The cubic root of 2003000025 is about 1260.5507009462.

Adding to 2003000025 its reverse (5200003002), we get a palindrome (7203003027).

The spelling of 2003000025 in words is "two billion, three million, twenty-five", and thus it is an aban number and an uban number.