28825033 has 4 divisors (see below), whose sum is σ = 30342160. Its totient is φ = 27307908.

The previous prime is 28825031. The next prime is 28825039. The reversal of 28825033 is 33052882.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 28825033 - 2¹ = 28825031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28824986 and 28825004.

It is not an unprimeable number, because it can be changed into a prime (28825031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 758535 + ... + 758572.

It is an arithmetic number, because the mean of its divisors is an integer number (7585540).

Almost surely, 2^28825033 is an apocalyptic number.

It is an amenable number.

28825033 is a deficient number, since it is larger than the sum of its proper divisors (1517127).

28825033 is a wasteful number, since it uses less digits than its factorization.

28825033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1517126.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 28825033 is about 5368.8949514774. The cubic root of 28825033 is about 306.6125575349.

The spelling of 28825033 in words is "twenty-eight million, eight hundred twenty-five thousand, thirty-three".