852580509 has 16 divisors (see below), whose sum is σ = 1241232384. Its totient is φ = 516250800.

The previous prime is 852580501. The next prime is 852580633. The reversal of 852580509 is 905085258.

852580509 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 852580509 - 2³ = 852580501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (852580501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27612 + ... + 49674.

It is an arithmetic number, because the mean of its divisors is an integer number (77577024).

Almost surely, 2^852580509 is an apocalyptic number.

It is an amenable number.

852580509 is a deficient number, since it is larger than the sum of its proper divisors (388651875).

852580509 is a wasteful number, since it uses less digits than its factorization.

852580509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23248.

The product of its (nonzero) digits is 144000, while the sum is 42.

The square root of 852580509 is about 29198.9813007235. The cubic root of 852580509 is about 948.2258703996.

The spelling of 852580509 in words is "eight hundred fifty-two million, five hundred eighty thousand, five hundred nine".