852275509 has 2 divisors, whose sum is σ = 852275510. Its totient is φ = 852275508.

The previous prime is 852275491. The next prime is 852275521. The reversal of 852275509 is 905572258.

852275509 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 835383409 + 16892100 = 28903^2 + 4110^2 .

It is a cyclic number.

It is not a de Polignac number, because 852275509 - 2⁵ = 852275477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (852275579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426137754 + 426137755.

It is an arithmetic number, because the mean of its divisors is an integer number (426137755).

Almost surely, 2^852275509 is an apocalyptic number.

It is an amenable number.

852275509 is a deficient number, since it is larger than the sum of its proper divisors (1).

852275509 is an equidigital number, since it uses as much as digits as its factorization.

852275509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252000, while the sum is 43.

The square root of 852275509 is about 29193.7580485966. The cubic root of 852275509 is about 948.1127849368.

The spelling of 852275509 in words is "eight hundred fifty-two million, two hundred seventy-five thousand, five hundred nine".