2265325665 has 16 divisors (see below), whose sum is σ = 3638001600. Its totient is φ = 1203680192.

The previous prime is 2265325661. The next prime is 2265325669. The reversal of 2265325665 is 5665235622.

It is an interprime number because it is at equal distance from previous prime (2265325661) and next prime (2265325669).

It is a cyclic number.

It is not a de Polignac number, because 2265325665 - 2² = 2265325661 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2265325661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276675 + ... + 284744.

It is an arithmetic number, because the mean of its divisors is an integer number (227375100).

Almost surely, 2^2265325665 is an apocalyptic number.

It is an amenable number.

2265325665 is a deficient number, since it is larger than the sum of its proper divisors (1372675935).

2265325665 is a wasteful number, since it uses less digits than its factorization.

2265325665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561696.

The product of its digits is 648000, while the sum is 42.

The square root of 2265325665 is about 47595.4374388974. The cubic root of 2265325665 is about 1313.3391234524.

The spelling of 2265325665 in words is "two billion, two hundred sixty-five million, three hundred twenty-five thousand, six hundred sixty-five".