28141875 has 30 divisors (see below), whose sum is σ = 50805612. Its totient is φ = 15006000.

The previous prime is 28141873. The next prime is 28141901. The reversal of 28141875 is 57814182.

It is not a de Polignac number, because 28141875 - 2¹ = 28141873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28141873) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 3124 + ... + 8126.

Almost surely, 2^28141875 is an apocalyptic number.

28141875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28141875 is a deficient number, since it is larger than the sum of its proper divisors (22663737).

28141875 is an equidigital number, since it uses as much as digits as its factorization.

28141875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5029 (or 5011 counting only the distinct ones).

The product of its digits is 17920, while the sum is 36.

The square root of 28141875 is about 5304.8916105798. The cubic root of 28141875 is about 304.1709096383.

The spelling of 28141875 in words is "twenty-eight million, one hundred forty-one thousand, eight hundred seventy-five".