28354275 has 18 divisors (see below), whose sum is σ = 50786060. Its totient is φ = 15122160.

The previous prime is 28354273. The next prime is 28354297. The reversal of 28354275 is 57245382.

It is not a de Polignac number, because 28354275 - 2¹ = 28354273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28354273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 62785 + ... + 63234.

Almost surely, 2^28354275 is an apocalyptic number.

28354275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28354275 is a deficient number, since it is larger than the sum of its proper divisors (22431785).

28354275 is a wasteful number, since it uses less digits than its factorization.

28354275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126035 (or 126027 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 28354275 is about 5324.8732379278. The cubic root of 28354275 is about 304.9342328859.

The spelling of 28354275 in words is "twenty-eight million, three hundred fifty-four thousand, two hundred seventy-five".