947597113 has 2 divisors, whose sum is σ = 947597114. Its totient is φ = 947597112.

The previous prime is 947597111. The next prime is 947597129. The reversal of 947597113 is 311795749.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 841754169 + 105842944 = 29013^2 + 10288^2 .

It is an emirp because it is prime and its reverse (311795749) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 947597113 - 2¹ = 947597111 is a prime.

Together with 947597111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (947597111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 473798556 + 473798557.

It is an arithmetic number, because the mean of its divisors is an integer number (473798557).

Almost surely, 2^947597113 is an apocalyptic number.

It is an amenable number.

947597113 is a deficient number, since it is larger than the sum of its proper divisors (1).

947597113 is an equidigital number, since it uses as much as digits as its factorization.

947597113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 238140, while the sum is 46.

The square root of 947597113 is about 30783.0653606817. The cubic root of 947597113 is about 982.2180473655.

The spelling of 947597113 in words is "nine hundred forty-seven million, five hundred ninety-seven thousand, one hundred thirteen".