947116153 has 2 divisors, whose sum is σ = 947116154. Its totient is φ = 947116152.

The previous prime is 947116147. The next prime is 947116169. The reversal of 947116153 is 351611749.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 541818729 + 405297424 = 23277^2 + 20132^2 .

It is an emirp because it is prime and its reverse (351611749) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 947116153 - 2⁹ = 947115641 is a prime.

It is not a weakly prime, because it can be changed into another prime (947116253) 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, 473558076 + 473558077.

It is an arithmetic number, because the mean of its divisors is an integer number (473558077).

Almost surely, 2^947116153 is an apocalyptic number.

It is an amenable number.

947116153 is a deficient number, since it is larger than the sum of its proper divisors (1).

947116153 is an equidigital number, since it uses as much as digits as its factorization.

947116153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 37.

The square root of 947116153 is about 30775.2522816629. The cubic root of 947116153 is about 982.0518418714.

The spelling of 947116153 in words is "nine hundred forty-seven million, one hundred sixteen thousand, one hundred fifty-three".