465656565 has 32 divisors (see below), whose sum is σ = 813750912. Its totient is φ = 225504000.

The previous prime is 465656563. The next prime is 465656593. The reversal of 465656565 is 565656564.

It is not a de Polignac number, because 465656565 - 2¹ = 465656563 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (465656563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 266595 + ... + 268335.

It is an arithmetic number, because the mean of its divisors is an integer number (25429716).

Almost surely, 2^465656565 is an apocalyptic number.

It is an amenable number.

465656565 is a deficient number, since it is larger than the sum of its proper divisors (348094347).

465656565 is a wasteful number, since it uses less digits than its factorization.

465656565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3381.

The product of its digits is 3240000, while the sum is 48.

The square root of 465656565 is about 21579.0770191869. The cubic root of 465656565 is about 775.0955497870.

Subtracting 465656565 from its reverse (565656564), we obtain a palindrome (99999999).

The spelling of 465656565 in words is "four hundred sixty-five million, six hundred fifty-six thousand, five hundred sixty-five".