565325280 has 432 divisors, whose sum is σ = 2201393376. Its totient is φ = 131788800.

The previous prime is 565325279. The next prime is 565325281. The reversal of 565325280 is 82523565.

It is a happy number.

565325280 is a `hidden beast` number, since 56 + 5 + 325 + 280 = 666.

It is an interprime number because it is at equal distance from previous prime (565325279) and next prime (565325281).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565325281) 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 71 ways as a sum of consecutive naturals, for example, 5597230 + ... + 5597330.

It is an arithmetic number, because the mean of its divisors is an integer number (5095818).

Almost surely, 2^565325280 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 565325280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1100696688).

565325280 is an abundant number, since it is smaller than the sum of its proper divisors (1636068096).

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

565325280 is a wasteful number, since it uses less digits than its factorization.

565325280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 565325280 is about 23776.5699797090. The cubic root of 565325280 is about 826.8615594369.

The spelling of 565325280 in words is "five hundred sixty-five million, three hundred twenty-five thousand, two hundred eighty".