853521052 has 12 divisors (see below), whose sum is σ = 1494412920. Its totient is φ = 426545936.

The previous prime is 853521049. The next prime is 853521073. The reversal of 853521052 is 250125358.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44527 + ... + 60742.

It is an arithmetic number, because the mean of its divisors is an integer number (124534410).

Almost surely, 2^853521052 is an apocalyptic number.

It is an amenable number.

853521052 is a deficient number, since it is larger than the sum of its proper divisors (640891868).

853521052 is a wasteful number, since it uses less digits than its factorization.

853521052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107300 (or 107298 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 853521052 is about 29215.0826115553. The cubic root of 853521052 is about 948.5744276884.

The spelling of 853521052 in words is "eight hundred fifty-three million, five hundred twenty-one thousand, fifty-two".