28653029 has 2 divisors, whose sum is σ = 28653030. Its totient is φ = 28653028.

The previous prime is 28653017. The next prime is 28653049. The reversal of 28653029 is 92035682.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25230529 + 3422500 = 5023^2 + 1850^2 .

It is a cyclic number.

It is not a de Polignac number, because 28653029 - 2⁴ = 28653013 is a prime.

It is a Chen prime.

It is equal to p_1779542 and since 28653029 and 1779542 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28653029.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28653049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14326514 + 14326515.

It is an arithmetic number, because the mean of its divisors is an integer number (14326515).

Almost surely, 2^28653029 is an apocalyptic number.

It is an amenable number.

28653029 is a deficient number, since it is larger than the sum of its proper divisors (1).

28653029 is an equidigital number, since it uses as much as digits as its factorization.

28653029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 28653029 is about 5352.8524171697. The cubic root of 28653029 is about 306.0014702252.

The spelling of 28653029 in words is "twenty-eight million, six hundred fifty-three thousand, twenty-nine".