305528147 has 2 divisors, whose sum is σ = 305528148. Its totient is φ = 305528146.

The previous prime is 305528057. The next prime is 305528149. The reversal of 305528147 is 741825503.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 305528147 - 2¹⁴ = 305511763 is a prime.

Together with 305528149, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (305528149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152764073 + 152764074.

It is an arithmetic number, because the mean of its divisors is an integer number (152764074).

Almost surely, 2^305528147 is an apocalyptic number.

305528147 is a deficient number, since it is larger than the sum of its proper divisors (1).

305528147 is an equidigital number, since it uses as much as digits as its factorization.

305528147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 305528147 is about 17479.3634609502. The cubic root of 305528147 is about 673.5198638255.

The spelling of 305528147 in words is "three hundred five million, five hundred twenty-eight thousand, one hundred forty-seven".