565404532 has 72 divisors (see below), whose sum is σ = 1299080160. Its totient is φ = 212667840.

The previous prime is 565404509. The next prime is 565404533. The reversal of 565404532 is 235404565.

565404532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×565404532² = 639364569612278048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565404533) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58003 + ... + 67045.

It is an arithmetic number, because the mean of its divisors is an integer number (18042780).

Almost surely, 2^565404532 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 565404532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (649540080).

565404532 is an abundant number, since it is smaller than the sum of its proper divisors (733675628).

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

565404532 is a wasteful number, since it uses less digits than its factorization.

565404532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9101 (or 9092 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 34.

The square root of 565404532 is about 23778.2365199777. The cubic root of 565404532 is about 826.9001964085.

The spelling of 565404532 in words is "five hundred sixty-five million, four hundred four thousand, five hundred thirty-two".