28848125 has 20 divisors (see below), whose sum is σ = 36485196. Its totient is φ = 22800000.

The previous prime is 28848121. The next prime is 28848139. The reversal of 28848125 is 52184882.

It can be written as a sum of positive squares in 10 ways, for example, as 8444836 + 20403289 = 2906^2 + 4517^2 .

It is not a de Polignac number, because 28848125 - 2² = 28848121 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28848121) 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 19 ways as a sum of consecutive naturals, for example, 62897 + ... + 63353.

Almost surely, 2^28848125 is an apocalyptic number.

28848125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

28848125 is a deficient number, since it is larger than the sum of its proper divisors (7637071).

28848125 is an equidigital number, since it uses as much as digits as its factorization.

28848125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578 (or 563 counting only the distinct ones).

The product of its digits is 40960, while the sum is 38.

The square root of 28848125 is about 5371.0450565975. The cubic root of 28848125 is about 306.6944123972.

The spelling of 28848125 in words is "twenty-eight million, eight hundred forty-eight thousand, one hundred twenty-five".