281408255 has 8 divisors (see below), whose sum is σ = 337811472. Its totient is φ = 225045568.

The previous prime is 281408249. The next prime is 281408269. The reversal of 281408255 is 552804182.

It is a happy number.

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 281408255 - 2¹⁸ = 281146111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8147 + ... + 25083.

It is an arithmetic number, because the mean of its divisors is an integer number (42226434).

Almost surely, 2^281408255 is an apocalyptic number.

281408255 is a deficient number, since it is larger than the sum of its proper divisors (56403217).

281408255 is a wasteful number, since it uses less digits than its factorization.

281408255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20265.

The product of its (nonzero) digits is 25600, while the sum is 35.

The square root of 281408255 is about 16775.2274202170. The cubic root of 281408255 is about 655.3082130451.

The spelling of 281408255 in words is "two hundred eighty-one million, four hundred eight thousand, two hundred fifty-five".