565255406 has 16 divisors (see below), whose sum is σ = 936792864. Its totient is φ = 254436864.

The previous prime is 565255393. The next prime is 565255409. The reversal of 565255406 is 604552565.

It is a happy number.

565255406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 565255406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565255409) 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, 360635 + ... + 362198.

It is an arithmetic number, because the mean of its divisors is an integer number (58549554).

Almost surely, 2^565255406 is an apocalyptic number.

565255406 is a deficient number, since it is larger than the sum of its proper divisors (371537458).

565255406 is a wasteful number, since it uses less digits than its factorization.

565255406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722875.

The product of its (nonzero) digits is 180000, while the sum is 38.

The square root of 565255406 is about 23775.1005465802. The cubic root of 565255406 is about 826.8274914368.

The spelling of 565255406 in words is "five hundred sixty-five million, two hundred fifty-five thousand, four hundred six".