28253033 has 8 divisors (see below), whose sum is σ = 28641600. Its totient is φ = 27866800.

The previous prime is 28253011. The next prime is 28253041. The reversal of 28253033 is 33035282.

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

It is a cyclic number.

It is not a de Polignac number, because 28253033 - 2¹⁰ = 28252009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28252993 and 28253011.

It is not an unprimeable number, because it can be changed into a prime (28253053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46868 + ... + 47466.

It is an arithmetic number, because the mean of its divisors is an integer number (3580200).

Almost surely, 2^28253033 is an apocalyptic number.

It is an amenable number.

28253033 is a deficient number, since it is larger than the sum of its proper divisors (388567).

28253033 is a wasteful number, since it uses less digits than its factorization.

28253033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 28253033 is about 5315.3582193489. The cubic root of 28253033 is about 304.5708665295.

The spelling of 28253033 in words is "twenty-eight million, two hundred fifty-three thousand, thirty-three".