565725384 has 144 divisors (see below), whose sum is σ = 1848646800. Its totient is φ = 161608608.

The previous prime is 565725379. The next prime is 565725389. The reversal of 565725384 is 483527565.

565725384 is a `hidden beast` number, since 565 + 7 + 2 + 5 + 3 + 84 = 666.

It is an interprime number because it is at equal distance from previous prime (565725379) and next prime (565725389).

It is not an unprimeable number, because it can be changed into a prime (565725389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 92287 + ... + 98225.

It is an arithmetic number, because the mean of its divisors is an integer number (12837825).

Almost surely, 2^565725384 is an apocalyptic number.

565725384 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 565725384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (924323400).

565725384 is an abundant number, since it is smaller than the sum of its proper divisors (1282921416).

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

565725384 is a wasteful number, since it uses less digits than its factorization.

565725384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5974 (or 5951 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 45.

The square root of 565725384 is about 23784.9823207838. The cubic root of 565725384 is about 827.0565814371.

The spelling of 565725384 in words is "five hundred sixty-five million, seven hundred twenty-five thousand, three hundred eighty-four".