852507285 has 64 divisors (see below), whose sum is σ = 1619165184. Its totient is φ = 374803200.

The previous prime is 852507281. The next prime is 852507289. The reversal of 852507285 is 582705258.

It is an interprime number because it is at equal distance from previous prime (852507281) and next prime (852507289).

It is not a de Polignac number, because 852507285 - 2² = 852507281 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (852507281) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 588432 + ... + 589878.

It is an arithmetic number, because the mean of its divisors is an integer number (25299456).

Almost surely, 2^852507285 is an apocalyptic number.

It is an amenable number.

852507285 is a deficient number, since it is larger than the sum of its proper divisors (766657899).

852507285 is a wasteful number, since it uses less digits than its factorization.

852507285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1674.

The product of its (nonzero) digits is 224000, while the sum is 42.

The square root of 852507285 is about 29197.7273944395. The cubic root of 852507285 is about 948.1987234506.

The spelling of 852507285 in words is "eight hundred fifty-two million, five hundred seven thousand, two hundred eighty-five".