28825255 has 8 divisors (see below), whose sum is σ = 35434224. Its totient is φ = 22497600.

The previous prime is 28825253. The next prime is 28825273. The reversal of 28825255 is 55252882.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28825255 - 2¹ = 28825253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28825253) 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, 70101 + ... + 70510.

It is an arithmetic number, because the mean of its divisors is an integer number (4429278).

Almost surely, 2^28825255 is an apocalyptic number.

28825255 is a deficient number, since it is larger than the sum of its proper divisors (6608969).

28825255 is a wasteful number, since it uses less digits than its factorization.

28825255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140657.

The product of its digits is 64000, while the sum is 37.

The square root of 28825255 is about 5368.9156260832. The cubic root of 28825255 is about 306.6133446726.

The spelling of 28825255 in words is "twenty-eight million, eight hundred twenty-five thousand, two hundred fifty-five".