28614529 has 2 divisors, whose sum is σ = 28614530. Its totient is φ = 28614528.

The previous prime is 28614527. The next prime is 28614557. The reversal of 28614529 is 92541682.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27804529 + 810000 = 5273^2 + 900^2 .

It is a cyclic number.

It is not a de Polignac number, because 28614529 - 2¹ = 28614527 is a prime.

Together with 28614527, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (28614527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14307264 + 14307265.

It is an arithmetic number, because the mean of its divisors is an integer number (14307265).

Almost surely, 2^28614529 is an apocalyptic number.

It is an amenable number.

28614529 is a deficient number, since it is larger than the sum of its proper divisors (1).

28614529 is an equidigital number, since it uses as much as digits as its factorization.

28614529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 37.

The square root of 28614529 is about 5349.2549948568. The cubic root of 28614529 is about 305.8643545630.

The spelling of 28614529 in words is "twenty-eight million, six hundred fourteen thousand, five hundred twenty-nine".