28079533 has 2 divisors, whose sum is σ = 28079534. Its totient is φ = 28079532.

The previous prime is 28079509. The next prime is 28079591. The reversal of 28079533 is 33597082.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21178404 + 6901129 = 4602^2 + 2627^2 .

It is a cyclic number.

It is not a de Polignac number, because 28079533 - 2¹⁷ = 27948461 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28079492 and 28079501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28079503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14039766 + 14039767.

It is an arithmetic number, because the mean of its divisors is an integer number (14039767).

Almost surely, 2^28079533 is an apocalyptic number.

It is an amenable number.

28079533 is a deficient number, since it is larger than the sum of its proper divisors (1).

28079533 is an equidigital number, since it uses as much as digits as its factorization.

28079533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 28079533 is about 5299.0124551656. The cubic root of 28079533 is about 303.9461361458.

The spelling of 28079533 in words is "twenty-eight million, seventy-nine thousand, five hundred thirty-three".