2253216065 has 8 divisors (see below), whose sum is σ = 2717585640. Its totient is φ = 1793421952.

The previous prime is 2253216041. The next prime is 2253216067. The reversal of 2253216065 is 5606123522.

It can be written as a sum of positive squares in 4 ways, for example, as 516743824 + 1736472241 = 22732^2 + 41671^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2253216065 - 2²⁶ = 2186107201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2253216067) 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 7 ways as a sum of consecutive naturals, for example, 1142780 + ... + 1144749.

It is an arithmetic number, because the mean of its divisors is an integer number (339698205).

Almost surely, 2^2253216065 is an apocalyptic number.

It is an amenable number.

2253216065 is a deficient number, since it is larger than the sum of its proper divisors (464369575).

2253216065 is a wasteful number, since it uses less digits than its factorization.

2253216065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2287731.

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

The square root of 2253216065 is about 47468.0530989001. The cubic root of 2253216065 is about 1310.9947313324.

Adding to 2253216065 its reverse (5606123522), we get a palindrome (7859339587).

The spelling of 2253216065 in words is "two billion, two hundred fifty-three million, two hundred sixteen thousand, sixty-five".