225526008065 has 4 divisors (see below), whose sum is σ = 270631209684. Its totient is φ = 180420806448.

The previous prime is 225526008023. The next prime is 225526008109. The reversal of 225526008065 is 560800625522.

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 74279686849 + 151246321216 = 272543^2 + 388904^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225526008065 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22552600802 + ... + 22552600811.

It is an arithmetic number, because the mean of its divisors is an integer number (67657802421).

Almost surely, 2^225526008065 is an apocalyptic number.

It is an amenable number.

225526008065 is a deficient number, since it is larger than the sum of its proper divisors (45105201619).

225526008065 is an equidigital number, since it uses as much as digits as its factorization.

225526008065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45105201618.

The product of its (nonzero) digits is 288000, while the sum is 41.

The spelling of 225526008065 in words is "two hundred twenty-five billion, five hundred twenty-six million, eight thousand, sixty-five".