852334561 has 4 divisors (see below), whose sum is σ = 917898772. Its totient is φ = 786770352.

The previous prime is 852334541. The next prime is 852334573. The reversal of 852334561 is 165433258.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 165433258 = 2 ⋅82716629.

It can be written as a sum of positive squares in 2 ways, for example, as 390299536 + 462035025 = 19756^2 + 21495^2 .

It is a cyclic number.

It is not a de Polignac number, because 852334561 - 2¹¹ = 852332513 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 852334561.

It is not an unprimeable number, because it can be changed into a prime (852334531) 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 in 3 ways as a sum of consecutive naturals, for example, 32782086 + ... + 32782111.

It is an arithmetic number, because the mean of its divisors is an integer number (229474693).

Almost surely, 2^852334561 is an apocalyptic number.

It is an amenable number.

852334561 is a deficient number, since it is larger than the sum of its proper divisors (65564211).

852334561 is a wasteful number, since it uses less digits than its factorization.

852334561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65564210.

The product of its digits is 86400, while the sum is 37.

The square root of 852334561 is about 29194.7694116600. The cubic root of 852334561 is about 948.1346818714.

The spelling of 852334561 in words is "eight hundred fifty-two million, three hundred thirty-four thousand, five hundred sixty-one".