565425209 has 8 divisors (see below), whose sum is σ = 589532160. Its totient is φ = 541625616.

The previous prime is 565425187. The next prime is 565425221. The reversal of 565425209 is 902524565.

565425209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 565425209 - 2⁸ = 565424953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (565425269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73079 + ... + 80444.

It is an arithmetic number, because the mean of its divisors is an integer number (73691520).

Almost surely, 2^565425209 is an apocalyptic number.

It is an amenable number.

565425209 is a deficient number, since it is larger than the sum of its proper divisors (24106951).

565425209 is a wasteful number, since it uses less digits than its factorization.

565425209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153679.

The product of its (nonzero) digits is 108000, while the sum is 38.

The square root of 565425209 is about 23778.6713043433. The cubic root of 565425209 is about 826.9102762752.

The spelling of 565425209 in words is "five hundred sixty-five million, four hundred twenty-five thousand, two hundred nine".