972317113 has 2 divisors, whose sum is σ = 972317114. Its totient is φ = 972317112.

The previous prime is 972317089. The next prime is 972317167. The reversal of 972317113 is 311713279.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 636401529 + 335915584 = 25227^2 + 18328^2 .

It is a cyclic number.

It is not a de Polignac number, because 972317113 - 2²⁹ = 435446201 is a prime.

It is not a weakly prime, because it can be changed into another prime (972311113) 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, 486158556 + 486158557.

It is an arithmetic number, because the mean of its divisors is an integer number (486158557).

Almost surely, 2^972317113 is an apocalyptic number.

It is an amenable number.

972317113 is a deficient number, since it is larger than the sum of its proper divisors (1).

972317113 is an equidigital number, since it uses as much as digits as its factorization.

972317113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7938, while the sum is 34.

The square root of 972317113 is about 31181.9998236162. Note that the first 3 decimals coincide. The cubic root of 972317113 is about 990.6858876526.

The spelling of 972317113 in words is "nine hundred seventy-two million, three hundred seventeen thousand, one hundred thirteen".