2005053361 has 2 divisors, whose sum is σ = 2005053362. Its totient is φ = 2005053360.

The previous prime is 2005053329. The next prime is 2005053403. The reversal of 2005053361 is 1633505002.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1911350961 + 93702400 = 43719^2 + 9680^2 .

It is a cyclic number.

It is not a de Polignac number, because 2005053361 - 2⁵ = 2005053329 is a prime.

It is not a weakly prime, because it can be changed into another prime (2005053761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1002526680 + 1002526681.

It is an arithmetic number, because the mean of its divisors is an integer number (1002526681).

Almost surely, 2^2005053361 is an apocalyptic number.

It is an amenable number.

2005053361 is a deficient number, since it is larger than the sum of its proper divisors (1).

2005053361 is an equidigital number, since it uses as much as digits as its factorization.

2005053361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 2005053361 is about 44777.8222002812. The cubic root of 2005053361 is about 1260.9812967434.

Adding to 2005053361 its reverse (1633505002), we get a palindrome (3638558363).

The spelling of 2005053361 in words is "two billion, five million, fifty-three thousand, three hundred sixty-one".