852389537 has 18 divisors (see below), whose sum is σ = 924593778. Its totient is φ = 783101952.

The previous prime is 852389521. The next prime is 852389563. The reversal of 852389537 is 735983258.

It can be written as a sum of positive squares in 9 ways, for example, as 43612816 + 808776721 = 6604^2 + 28439^2 .

It is not a de Polignac number, because 852389537 - 2⁴ = 852389521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (852389507) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8787473 + ... + 8787569.

It is an arithmetic number, because the mean of its divisors is an integer number (51366321).

Almost surely, 2^852389537 is an apocalyptic number.

It is an amenable number.

852389537 is a deficient number, since it is larger than the sum of its proper divisors (72204241).

852389537 is an frugal number, since it uses more digits than its factorization.

852389537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357 (or 187 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 50.

The square root of 852389537 is about 29195.7109349987. The cubic root of 852389537 is about 948.1550664848.

The spelling of 852389537 in words is "eight hundred fifty-two million, three hundred eighty-nine thousand, five hundred thirty-seven".