972113983 has 2 divisors, whose sum is σ = 972113984. Its totient is φ = 972113982.

The previous prime is 972113971. The next prime is 972113999. The reversal of 972113983 is 389311279.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 972113983 - 2¹³ = 972105791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (972113383) 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, 486056991 + 486056992.

It is an arithmetic number, because the mean of its divisors is an integer number (486056992).

Almost surely, 2^972113983 is an apocalyptic number.

972113983 is a deficient number, since it is larger than the sum of its proper divisors (1).

972113983 is an equidigital number, since it uses as much as digits as its factorization.

972113983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 43.

The square root of 972113983 is about 31178.7424858669. The cubic root of 972113983 is about 990.6168936872.

The spelling of 972113983 in words is "nine hundred seventy-two million, one hundred thirteen thousand, nine hundred eighty-three".