2256006065 has 4 divisors (see below), whose sum is σ = 2707207284. Its totient is φ = 1804804848.

The previous prime is 2256006041. The next prime is 2256006073. The reversal of 2256006065 is 5606006522.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1231237921 + 1024768144 = 35089^2 + 32012^2 .

It is a cyclic number.

It is not a de Polignac number, because 2256006065 - 2¹⁰ = 2256005041 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225600602 + ... + 225600611.

It is an arithmetic number, because the mean of its divisors is an integer number (676801821).

Almost surely, 2^2256006065 is an apocalyptic number.

It is an amenable number.

2256006065 is a deficient number, since it is larger than the sum of its proper divisors (451201219).

2256006065 is an equidigital number, since it uses as much as digits as its factorization.

2256006065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451201218.

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

The square root of 2256006065 is about 47497.4321937513. The cubic root of 2256006065 is about 1311.5356125367.

The spelling of 2256006065 in words is "two billion, two hundred fifty-six million, six thousand, sixty-five".