28062193 has 2 divisors, whose sum is σ = 28062194. Its totient is φ = 28062192.

The previous prime is 28062131. The next prime is 28062233. The reversal of 28062193 is 39126082.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16386304 + 11675889 = 4048^2 + 3417^2 .

It is a cyclic number.

It is not a de Polignac number, because 28062193 - 2⁹ = 28061681 is a prime.

It is not a weakly prime, because it can be changed into another prime (28062103) 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, 14031096 + 14031097.

It is an arithmetic number, because the mean of its divisors is an integer number (14031097).

Almost surely, 2^28062193 is an apocalyptic number.

It is an amenable number.

28062193 is a deficient number, since it is larger than the sum of its proper divisors (1).

28062193 is an equidigital number, since it uses as much as digits as its factorization.

28062193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 28062193 is about 5297.3760485735. The cubic root of 28062193 is about 303.8835578109.

The spelling of 28062193 in words is "twenty-eight million, sixty-two thousand, one hundred ninety-three".