28532333 has 2 divisors, whose sum is σ = 28532334. Its totient is φ = 28532332.

The previous prime is 28532293. The next prime is 28532347. The reversal of 28532333 is 33323582.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15665764 + 12866569 = 3958^2 + 3587^2 .

It is a cyclic number.

It is not a de Polignac number, because 28532333 - 2¹⁶ = 28466797 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28532296 and 28532305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28532363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14266166 + 14266167.

It is an arithmetic number, because the mean of its divisors is an integer number (14266167).

Almost surely, 2^28532333 is an apocalyptic number.

It is an amenable number.

28532333 is a deficient number, since it is larger than the sum of its proper divisors (1).

28532333 is an equidigital number, since it uses as much as digits as its factorization.

28532333 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 29.

The square root of 28532333 is about 5341.5665305227. The cubic root of 28532333 is about 305.5712058442.

The spelling of 28532333 in words is "twenty-eight million, five hundred thirty-two thousand, three hundred thirty-three".