852562681 has 2 divisors, whose sum is σ = 852562682. Its totient is φ = 852562680.

The previous prime is 852562663. The next prime is 852562703. The reversal of 852562681 is 186265258.

852562681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 575040400 + 277522281 = 23980^2 + 16659^2 .

It is a cyclic number.

It is not a de Polignac number, because 852562681 - 2⁷ = 852562553 is a prime.

It is a super-2 number, since 2×852562681² = 1453726250067815522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (852568681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426281340 + 426281341.

It is an arithmetic number, because the mean of its divisors is an integer number (426281341).

Almost surely, 2^852562681 is an apocalyptic number.

It is an amenable number.

852562681 is a deficient number, since it is larger than the sum of its proper divisors (1).

852562681 is an equidigital number, since it uses as much as digits as its factorization.

852562681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 230400, while the sum is 43.

The square root of 852562681 is about 29198.6760145045. The cubic root of 852562681 is about 948.2192610185.

The spelling of 852562681 in words is "eight hundred fifty-two million, five hundred sixty-two thousand, six hundred eighty-one".