2505005613 has 12 divisors (see below), whose sum is σ = 3947281728. Its totient is φ = 1518185160.

The previous prime is 2505005611. The next prime is 2505005677. The reversal of 2505005613 is 3165005052.

2505005613 is a `hidden beast` number, since 2 + 50 + 50 + 0 + 561 + 3 = 666.

It is not a de Polignac number, because 2505005613 - 2¹ = 2505005611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505005611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12651445 + ... + 12651642.

It is an arithmetic number, because the mean of its divisors is an integer number (328940144).

Almost surely, 2^2505005613 is an apocalyptic number.

It is an amenable number.

2505005613 is a deficient number, since it is larger than the sum of its proper divisors (1442276115).

2505005613 is a wasteful number, since it uses less digits than its factorization.

2505005613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25303104 (or 25303101 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 2505005613 is about 50050.0310988914. The cubic root of 2505005613 is about 1358.1140260173.

The spelling of 2505005613 in words is "two billion, five hundred five million, five thousand, six hundred thirteen".