2500071005 has 16 divisors (see below), whose sum is σ = 3105503280. Its totient is φ = 1929865728.

The previous prime is 2500071001. The next prime is 2500071011. The reversal of 2500071005 is 5001700052.

It can be written as a sum of positive squares in 8 ways, for example, as 42588676 + 2457482329 = 6526^2 + 49573^2 .

It is a cyclic number.

It is not a de Polignac number, because 2500071005 - 2² = 2500071001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2500071001) 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, 272879 + ... + 281891.

It is an arithmetic number, because the mean of its divisors is an integer number (194093955).

Almost surely, 2^2500071005 is an apocalyptic number.

It is an amenable number.

2500071005 is a deficient number, since it is larger than the sum of its proper divisors (605432275).

2500071005 is a wasteful number, since it uses less digits than its factorization.

2500071005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10960.

The product of its (nonzero) digits is 350, while the sum is 20.

The square root of 2500071005 is about 50000.7100449584. The cubic root of 2500071005 is about 1357.2216573240.

Adding to 2500071005 its reverse (5001700052), we get a palindrome (7501771057).

The spelling of 2500071005 in words is "two billion, five hundred million, seventy-one thousand, five".