565065936 has 160 divisors (see below), whose sum is σ = 1691975040. Its totient is φ = 180403200.

The previous prime is 565065901. The next prime is 565065937. The reversal of 565065936 is 639560565.

565065936 is a `hidden beast` number, since 5 + 6 + 50 + 6 + 593 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 565065891 and 565065900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565065937) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1080171 + ... + 1080693.

It is an arithmetic number, because the mean of its divisors is an integer number (10574844).

Almost surely, 2^565065936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 565065936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (845987520).

565065936 is an abundant number, since it is smaller than the sum of its proper divisors (1126909104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

565065936 is a wasteful number, since it uses less digits than its factorization.

565065936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642 (or 630 counting only the distinct ones).

The product of its (nonzero) digits is 729000, while the sum is 45.

The square root of 565065936 is about 23771.1155817307. The cubic root of 565065936 is about 826.7350986823.

The spelling of 565065936 in words is "five hundred sixty-five million, sixty-five thousand, nine hundred thirty-six".