28546033 has 4 divisors (see below), whose sum is σ = 28840420. Its totient is φ = 28251648.

The previous prime is 28546031. The next prime is 28546057. The reversal of 28546033 is 33064582.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4112784 + 24433249 = 2028^2 + 4943^2 .

It is a cyclic number.

It is not a de Polignac number, because 28546033 - 2¹ = 28546031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28545986 and 28546004.

It is not an unprimeable number, because it can be changed into a prime (28546031) 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, 147048 + ... + 147241.

It is an arithmetic number, because the mean of its divisors is an integer number (7210105).

Almost surely, 2^28546033 is an apocalyptic number.

It is an amenable number.

28546033 is a deficient number, since it is larger than the sum of its proper divisors (294387).

28546033 is an equidigital number, since it uses as much as digits as its factorization.

28546033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294386.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 28546033 is about 5342.8487719568. The cubic root of 28546033 is about 305.6201054052.

The spelling of 28546033 in words is "twenty-eight million, five hundred forty-six thousand, thirty-three".