99281255 has 8 divisors (see below), whose sum is σ = 119340000. Its totient is φ = 79290016.

The previous prime is 99281219. The next prime is 99281257. The reversal of 99281255 is 55218299.

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 99281255 - 2¹⁰ = 99280231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99281257) by changing a digit.

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, 13580 + ... + 19569.

It is an arithmetic number, because the mean of its divisors is an integer number (14917500).

Almost surely, 2^99281255 is an apocalyptic number.

99281255 is a deficient number, since it is larger than the sum of its proper divisors (20058745).

99281255 is a wasteful number, since it uses less digits than its factorization.

99281255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33753.

The product of its digits is 64800, while the sum is 41.

The square root of 99281255 is about 9963.9979425931. The cubic root of 99281255 is about 463.0441688399.

Adding to 99281255 its sum of digits (41), we get a square (99281296 = 9964²).

The spelling of 99281255 in words is "ninety-nine million, two hundred eighty-one thousand, two hundred fifty-five".