28533959 has 2 divisors, whose sum is σ = 28533960. Its totient is φ = 28533958.

The previous prime is 28533937. The next prime is 28534001. The reversal of 28533959 is 95933582.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28533959 - 2¹⁶ = 28468423 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28533929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14266979 + 14266980.

It is an arithmetic number, because the mean of its divisors is an integer number (14266980).

Almost surely, 2^28533959 is an apocalyptic number.

28533959 is a deficient number, since it is larger than the sum of its proper divisors (1).

28533959 is an equidigital number, since it uses as much as digits as its factorization.

28533959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 291600, while the sum is 44.

The square root of 28533959 is about 5341.7187308955. The cubic root of 28533959 is about 305.5770103625.

It can be divided in two parts, 28533 and 959, that added together give a palindrome (29492).

The spelling of 28533959 in words is "twenty-eight million, five hundred thirty-three thousand, nine hundred fifty-nine".