852825559 has 2 divisors, whose sum is σ = 852825560. Its totient is φ = 852825558.

The previous prime is 852825557. The next prime is 852825601. The reversal of 852825559 is 955528258.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 852825559 - 2¹ = 852825557 is a prime.

It is a super-2 number, since 2×852825559² = 1454622868167324962, which contains 22 as substring.

Together with 852825557, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (852825551) 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, 426412779 + 426412780.

It is an arithmetic number, because the mean of its divisors is an integer number (426412780).

Almost surely, 2^852825559 is an apocalyptic number.

852825559 is a deficient number, since it is larger than the sum of its proper divisors (1).

852825559 is an equidigital number, since it uses as much as digits as its factorization.

852825559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440000, while the sum is 49.

The square root of 852825559 is about 29203.1772072835. The cubic root of 852825559 is about 948.3167085428.

The spelling of 852825559 in words is "eight hundred fifty-two million, eight hundred twenty-five thousand, five hundred fifty-nine".