284540255 has 8 divisors (see below), whose sum is σ = 342878400. Its totient is φ = 226678816.

The previous prime is 284540233. The next prime is 284540261. The reversal of 284540255 is 552045482.

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 284540255 - 2¹² = 284536159 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 (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117860 + ... + 120249.

It is an arithmetic number, because the mean of its divisors is an integer number (42859800).

Almost surely, 2^284540255 is an apocalyptic number.

284540255 is a deficient number, since it is larger than the sum of its proper divisors (58338145).

284540255 is a wasteful number, since it uses less digits than its factorization.

284540255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238353.

The product of its (nonzero) digits is 64000, while the sum is 35.

The square root of 284540255 is about 16868.3210486403. The cubic root of 284540255 is about 657.7303852247.

The spelling of 284540255 in words is "two hundred eighty-four million, five hundred forty thousand, two hundred fifty-five".