2500000003 has 4 divisors (see below), whose sum is σ = 2500511728. Its totient is φ = 2499488280.

The previous prime is 2500000001. The next prime is 2500000033. The reversal of 2500000003 is 3000000052.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2500000003 - 2¹ = 2500000001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2500000001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248463 + ... + 258328.

It is an arithmetic number, because the mean of its divisors is an integer number (625127932).

Almost surely, 2^2500000003 is an apocalyptic number.

2500000003 is a deficient number, since it is larger than the sum of its proper divisors (511725).

2500000003 is an equidigital number, since it uses as much as digits as its factorization.

2500000003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511724.

The product of its (nonzero) digits is 30, while the sum is 10.

The square root of 2500000003 is about 50000.0000300000. Note that the first 4 decimals coincide. The cubic root of 2500000003 is about 1357.2088088403.

Adding to 2500000003 its reverse (3000000052), we get a palindrome (5500000055).

It can be divided in two parts, 2 and 500000003, that added together give a palindrome (500000005).

The spelling of 2500000003 in words is "two billion, five hundred million, three", and thus it is an aban number.