2265028065 has 24 divisors (see below), whose sum is σ = 4156994088. Its totient is φ = 1136954880.

The previous prime is 2265028037. The next prime is 2265028079. The reversal of 2265028065 is 5608205622.

It can be written as a sum of positive squares in 4 ways, for example, as 33315984 + 2231712081 = 5772^2 + 47241^2 .

It is not a de Polignac number, because 2265028065 - 2⁵ = 2265028033 is a prime.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1479646 + ... + 1481175.

It is an arithmetic number, because the mean of its divisors is an integer number (173208087).

Almost surely, 2^2265028065 is an apocalyptic number.

It is an amenable number.

2265028065 is a deficient number, since it is larger than the sum of its proper divisors (1891966023).

2265028065 is a wasteful number, since it uses less digits than its factorization.

2265028065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2960849 (or 2960846 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 2265028065 is about 47592.3109861246. The cubic root of 2265028065 is about 1313.2816090082.

The spelling of 2265028065 in words is "two billion, two hundred sixty-five million, twenty-eight thousand, sixty-five".