28575033 has 8 divisors (see below), whose sum is σ = 38128896. Its totient is φ = 19035600.

The previous prime is 28574999. The next prime is 28575061. The reversal of 28575033 is 33057582.

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

It is not a de Polignac number, because 28575033 - 2¹⁰ = 28574009 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 28574985 and 28575003.

It is not an unprimeable number, because it can be changed into a prime (28575083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2488 + ... + 7958.

It is an arithmetic number, because the mean of its divisors is an integer number (4766112).

Almost surely, 2^28575033 is an apocalyptic number.

It is an amenable number.

28575033 is a deficient number, since it is larger than the sum of its proper divisors (9553863).

28575033 is a wasteful number, since it uses less digits than its factorization.

28575033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7215.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 28575033 is about 5345.5619910352. The cubic root of 28575033 is about 305.7235638371.

The spelling of 28575033 in words is "twenty-eight million, five hundred seventy-five thousand, thirty-three".