255366585 has 24 divisors (see below), whose sum is σ = 461882304. Its totient is φ = 130273440.

The previous prime is 255366583. The next prime is 255366613. The reversal of 255366585 is 585663552.

255366585 is a `hidden beast` number, since 2 + 5 + 5 + 3 + 66 + 585 = 666.

It is not a de Polignac number, because 255366585 - 2¹ = 255366583 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 255366585.

It is not an unprimeable number, because it can be changed into a prime (255366583) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 122331 + ... + 124400.

It is an arithmetic number, because the mean of its divisors is an integer number (19245096).

Almost surely, 2^255366585 is an apocalyptic number.

It is an amenable number.

255366585 is a deficient number, since it is larger than the sum of its proper divisors (206515719).

255366585 is a wasteful number, since it uses less digits than its factorization.

255366585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246765 (or 246762 counting only the distinct ones).

The product of its digits is 1080000, while the sum is 45.

The square root of 255366585 is about 15980.1935219821. The cubic root of 255366585 is about 634.4362988805.

The spelling of 255366585 in words is "two hundred fifty-five million, three hundred sixty-six thousand, five hundred eighty-five".