972113273 has 2 divisors, whose sum is σ = 972113274. Its totient is φ = 972113272.

The previous prime is 972113237. The next prime is 972113291. The reversal of 972113273 is 372311279.

Together with previous prime (972113237) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 781314304 + 190798969 = 27952^2 + 13813^2 .

It is a cyclic number.

It is not a de Polignac number, because 972113273 - 2²² = 967918969 is a prime.

It is not a weakly prime, because it can be changed into another prime (972113203) 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, 486056636 + 486056637.

It is an arithmetic number, because the mean of its divisors is an integer number (486056637).

Almost surely, 2^972113273 is an apocalyptic number.

It is an amenable number.

972113273 is a deficient number, since it is larger than the sum of its proper divisors (1).

972113273 is an equidigital number, since it uses as much as digits as its factorization.

972113273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15876, while the sum is 35.

The square root of 972113273 is about 31178.7310999021. The cubic root of 972113273 is about 990.6166525158.

The spelling of 972113273 in words is "nine hundred seventy-two million, one hundred thirteen thousand, two hundred seventy-three".