28258033 has 2 divisors, whose sum is σ = 28258034. Its totient is φ = 28258032.

The previous prime is 28258001. The next prime is 28258039. The reversal of 28258033 is 33085282.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21967969 + 6290064 = 4687^2 + 2508^2 .

It is a cyclic number.

It is not a de Polignac number, because 28258033 - 2⁵ = 28258001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28257986 and 28258004.

It is not a weakly prime, because it can be changed into another prime (28258039) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14129016 + 14129017.

It is an arithmetic number, because the mean of its divisors is an integer number (14129017).

Almost surely, 2^28258033 is an apocalyptic number.

It is an amenable number.

28258033 is a deficient number, since it is larger than the sum of its proper divisors (1).

28258033 is an equidigital number, since it uses as much as digits as its factorization.

28258033 is an evil number, because the sum of its binary digits is even.

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

The square root of 28258033 is about 5315.8285337283. The cubic root of 28258033 is about 304.5888323234.

The spelling of 28258033 in words is "twenty-eight million, two hundred fifty-eight thousand, thirty-three".