2005465613 has 2 divisors, whose sum is σ = 2005465614. Its totient is φ = 2005465612.

The previous prime is 2005465597. The next prime is 2005465621. The reversal of 2005465613 is 3165645002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1970205769 + 35259844 = 44387^2 + 5938^2 .

It is a cyclic number.

It is not a de Polignac number, because 2005465613 - 2⁴ = 2005465597 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2005465613.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2005465663) 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 as a sum of consecutive naturals, namely, 1002732806 + 1002732807.

It is an arithmetic number, because the mean of its divisors is an integer number (1002732807).

Almost surely, 2^2005465613 is an apocalyptic number.

It is an amenable number.

2005465613 is a deficient number, since it is larger than the sum of its proper divisors (1).

2005465613 is an equidigital number, since it uses as much as digits as its factorization.

2005465613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 2005465613 is about 44782.4252692951. The cubic root of 2005465613 is about 1261.0677128039.

The spelling of 2005465613 in words is "two billion, five million, four hundred sixty-five thousand, six hundred thirteen".