852743971 has 2 divisors, whose sum is σ = 852743972. Its totient is φ = 852743970.

The previous prime is 852743963. The next prime is 852743999. The reversal of 852743971 is 179347258.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 852743971 - 2³ = 852743963 is a prime.

It is a super-3 number, since 3×852743971³ (a number of 28 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (852743471) 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, 426371985 + 426371986.

It is an arithmetic number, because the mean of its divisors is an integer number (426371986).

Almost surely, 2^852743971 is an apocalyptic number.

852743971 is a deficient number, since it is larger than the sum of its proper divisors (1).

852743971 is an equidigital number, since it uses as much as digits as its factorization.

852743971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 423360, while the sum is 46.

The square root of 852743971 is about 29201.7802710725. The cubic root of 852743971 is about 948.2864664336.

The spelling of 852743971 in words is "eight hundred fifty-two million, seven hundred forty-three thousand, nine hundred seventy-one".