2500500005 has 16 divisors (see below), whose sum is σ = 3075565248. Its totient is φ = 1950480000.

The previous prime is 2500500001. The next prime is 2500500059. The reversal of 2500500005 is 5000050052.

It is a happy number.

It is not a de Polignac number, because 2500500005 - 2² = 2500500001 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2500500001) 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 15 ways as a sum of consecutive naturals, for example, 615230 + ... + 619280.

It is an arithmetic number, because the mean of its divisors is an integer number (192222828).

Almost surely, 2^2500500005 is an apocalyptic number.

It is an amenable number.

2500500005 is a deficient number, since it is larger than the sum of its proper divisors (575065243).

2500500005 is a wasteful number, since it uses less digits than its factorization.

2500500005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7108.

The product of its (nonzero) digits is 250, while the sum is 17.

The square root of 2500500005 is about 50004.9998000200. Note that the first 3 decimals coincide. The cubic root of 2500500005 is about 1357.2992837580.

Adding to 2500500005 its reverse (5000050052), we get a palindrome (7500550057).

The spelling of 2500500005 in words is "two billion, five hundred million, five hundred thousand, five".