28062653 has 2 divisors, whose sum is σ = 28062654. Its totient is φ = 28062652.

The previous prime is 28062649. The next prime is 28062667. The reversal of 28062653 is 35626082.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19518724 + 8543929 = 4418^2 + 2923^2 .

It is a cyclic number.

It is not a de Polignac number, because 28062653 - 2² = 28062649 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28062953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14031326 + 14031327.

It is an arithmetic number, because the mean of its divisors is an integer number (14031327).

Almost surely, 2^28062653 is an apocalyptic number.

It is an amenable number.

28062653 is a deficient number, since it is larger than the sum of its proper divisors (1).

28062653 is an equidigital number, since it uses as much as digits as its factorization.

28062653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 28062653 is about 5297.4194661174. The cubic root of 28062653 is about 303.8852182380.

The spelling of 28062653 in words is "twenty-eight million, sixty-two thousand, six hundred fifty-three".