852862081 has 2 divisors, whose sum is σ = 852862082. Its totient is φ = 852862080.

The previous prime is 852862067. The next prime is 852862093. The reversal of 852862081 is 180268258.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 517972081 + 334890000 = 22759^2 + 18300^2 .

It is a cyclic number.

It is not a de Polignac number, because 852862081 - 2¹⁹ = 852337793 is a prime.

It is a super-2 number, since 2×852862081² = 1454747458415301122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (852860081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426431040 + 426431041.

It is an arithmetic number, because the mean of its divisors is an integer number (426431041).

Almost surely, 2^852862081 is an apocalyptic number.

It is an amenable number.

852862081 is a deficient number, since it is larger than the sum of its proper divisors (1).

852862081 is an equidigital number, since it uses as much as digits as its factorization.

852862081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61440, while the sum is 40.

The square root of 852862081 is about 29203.8025092624. The cubic root of 852862081 is about 948.3302454762.

The spelling of 852862081 in words is "eight hundred fifty-two million, eight hundred sixty-two thousand, eighty-one".