2500050005 has 16 divisors (see below), whose sum is σ = 3181782384. Its totient is φ = 1879280640.

The previous prime is 2500049947. The next prime is 2500050019. The reversal of 2500050005 is 5000500052.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 407353489 + 2092696516 = 20183^2 + 45746^2 .

It is not a de Polignac number, because 2500050005 - 2¹⁰ = 2500048981 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

2500050005 is a modest number, since divided by 50005 gives 25 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28115 + ... + 76095.

It is an arithmetic number, because the mean of its divisors is an integer number (198861399).

Almost surely, 2^2500050005 is an apocalyptic number.

It is an amenable number.

2500050005 is a deficient number, since it is larger than the sum of its proper divisors (681732379).

2500050005 is a wasteful number, since it uses less digits than its factorization.

2500050005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48616.

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

The square root of 2500050005 is about 50000.5000474995. The cubic root of 2500050005 is about 1357.2178572006.

Adding to 2500050005 its reverse (5000500052), we get a palindrome (7500550057).

The spelling of 2500050005 in words is "two billion, five hundred million, fifty thousand, five".