255584563 has 8 divisors (see below), whose sum is σ = 277069856. Its totient is φ = 234360000.

The previous prime is 255584503. The next prime is 255584591. The reversal of 255584563 is 365485552.

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 255584563 - 2⁹ = 255584051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255584503) 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, 63138 + ... + 67063.

It is an arithmetic number, because the mean of its divisors is an integer number (34633732).

Almost surely, 2^255584563 is an apocalyptic number.

255584563 is a deficient number, since it is larger than the sum of its proper divisors (21485293).

255584563 is a wasteful number, since it uses less digits than its factorization.

255584563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130365.

The product of its digits is 720000, while the sum is 43.

The square root of 255584563 is about 15987.0123225073. The cubic root of 255584563 is about 634.6167634021.

The spelling of 255584563 in words is "two hundred fifty-five million, five hundred eighty-four thousand, five hundred sixty-three".