852559 has 2 divisors, whose sum is σ = 852560. Its totient is φ = 852558.

The previous prime is 852557. The next prime is 852563. The reversal of 852559 is 955258.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 852559 - 2¹ = 852557 is a prime.

Together with 852557, it forms a pair of twin primes.

852559 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (852557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426279 + 426280.

It is an arithmetic number, because the mean of its divisors is an integer number (426280).

2⁸⁵²⁵⁵⁹ is an apocalyptic number.

852559 is a deficient number, since it is larger than the sum of its proper divisors (1).

852559 is an equidigital number, since it uses as much as digits as its factorization.

852559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18000, while the sum is 34.

The square root of 852559 is about 923.3412153695. The cubic root of 852559 is about 94.8217896348.

It can be divided in two parts, 85255 and 9, that added together give a square (85264 = 292²).

The spelling of 852559 in words is "eight hundred fifty-two thousand, five hundred fifty-nine".