852065069 has 2 divisors, whose sum is σ = 852065070. Its totient is φ = 852065068.

The previous prime is 852065057. The next prime is 852065077. The reversal of 852065069 is 960560258.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 683195044 + 168870025 = 26138^2 + 12995^2 .

It is a cyclic number.

It is not a de Polignac number, because 852065069 - 2⁸ = 852064813 is a prime.

It is a super-2 number, since 2×852065069² = 1452029763619949522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (852065569) 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, 426032534 + 426032535.

It is an arithmetic number, because the mean of its divisors is an integer number (426032535).

Almost surely, 2^852065069 is an apocalyptic number.

It is an amenable number.

852065069 is a deficient number, since it is larger than the sum of its proper divisors (1).

852065069 is an equidigital number, since it uses as much as digits as its factorization.

852065069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 852065069 is about 29190.1536309763. The cubic root of 852065069 is about 948.0347439449.

The spelling of 852065069 in words is "eight hundred fifty-two million, sixty-five thousand, sixty-nine".