852020259 has 4 divisors (see below), whose sum is σ = 1136027016. Its totient is φ = 568013504.

The previous prime is 852020251. The next prime is 852020269. The reversal of 852020259 is 952020258.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 852020259 - 2³ = 852020251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (852020251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142003374 + ... + 142003379.

It is an arithmetic number, because the mean of its divisors is an integer number (284006754).

Almost surely, 2^852020259 is an apocalyptic number.

852020259 is a deficient number, since it is larger than the sum of its proper divisors (284006757).

852020259 is a wasteful number, since it uses less digits than its factorization.

852020259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284006756.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 852020259 is about 29189.3860675417. The cubic root of 852020259 is about 948.0181246423.

Subtracting 852020259 from its reverse (952020258), we obtain a palindrome (99999999).

The spelling of 852020259 in words is "eight hundred fifty-two million, twenty thousand, two hundred fifty-nine".