853204572 has 72 divisors (see below), whose sum is σ = 2370880512. Its totient is φ = 256557600.

The previous prime is 853204567. The next prime is 853204577. The reversal of 853204572 is 275402358.

853204572 is a `hidden beast` number, since 85 + 3 + 2 + 0 + 4 + 572 = 666.

It is an interprime number because it is at equal distance from previous prime (853204567) and next prime (853204577).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853204577) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43653 + ... + 60099.

It is an arithmetic number, because the mean of its divisors is an integer number (32928896).

Almost surely, 2^853204572 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 853204572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1185440256).

853204572 is an abundant number, since it is smaller than the sum of its proper divisors (1517675940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

853204572 is a wasteful number, since it uses less digits than its factorization.

853204572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16599 (or 16594 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 853204572 is about 29209.6657290014. The cubic root of 853204572 is about 948.4571714721.

It can be divided in two parts, 853204 and 572, that added together give a square (853776 = 924²).

The spelling of 853204572 in words is "eight hundred fifty-three million, two hundred four thousand, five hundred seventy-two".