28153259 has 2 divisors, whose sum is σ = 28153260. Its totient is φ = 28153258.

The previous prime is 28153249. The next prime is 28153273. The reversal of 28153259 is 95235182.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28153259 - 2⁴ = 28153243 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28153249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14076629 + 14076630.

It is an arithmetic number, because the mean of its divisors is an integer number (14076630).

Almost surely, 2^28153259 is an apocalyptic number.

28153259 is a deficient number, since it is larger than the sum of its proper divisors (1).

28153259 is an equidigital number, since it uses as much as digits as its factorization.

28153259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 35.

The square root of 28153259 is about 5305.9644740612. The cubic root of 28153259 is about 304.2119186901.

The spelling of 28153259 in words is "twenty-eight million, one hundred fifty-three thousand, two hundred fifty-nine".