306528113 has 2 divisors, whose sum is σ = 306528114. Its totient is φ = 306528112.

The previous prime is 306528077. The next prime is 306528119. The reversal of 306528113 is 311825603.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 173633329 + 132894784 = 13177^2 + 11528^2 .

It is a cyclic number.

It is not a de Polignac number, because 306528113 - 2¹⁸ = 306265969 is a prime.

It is not a weakly prime, because it can be changed into another prime (306528119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153264056 + 153264057.

It is an arithmetic number, because the mean of its divisors is an integer number (153264057).

Almost surely, 2^306528113 is an apocalyptic number.

It is an amenable number.

306528113 is a deficient number, since it is larger than the sum of its proper divisors (1).

306528113 is an equidigital number, since it uses as much as digits as its factorization.

306528113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 306528113 is about 17507.9442825250. The cubic root of 306528113 is about 674.2538535184.

The spelling of 306528113 in words is "three hundred six million, five hundred twenty-eight thousand, one hundred thirteen".