564870255 has 8 divisors (see below), whose sum is σ = 903792432. Its totient is φ = 301264128.

The previous prime is 564870223. The next prime is 564870269. The reversal of 564870255 is 552078465.

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

It is not a de Polignac number, because 564870255 - 2⁵ = 564870223 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18828994 + ... + 18829023.

It is an arithmetic number, because the mean of its divisors is an integer number (112974054).

Almost surely, 2^564870255 is an apocalyptic number.

564870255 is a deficient number, since it is larger than the sum of its proper divisors (338922177).

564870255 is a wasteful number, since it uses less digits than its factorization.

564870255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37658025.

The product of its (nonzero) digits is 336000, while the sum is 42.

The square root of 564870255 is about 23766.9992847225. Note that the first 3 decimals coincide. The cubic root of 564870255 is about 826.6396555264.

The spelling of 564870255 in words is "five hundred sixty-four million, eight hundred seventy thousand, two hundred fifty-five".