652172112 has 120 divisors (see below), whose sum is σ = 1929564000. Its totient is φ = 205058304.

The previous prime is 652172083. The next prime is 652172119. The reversal of 652172112 is 211271256.

652172112 is a `hidden beast` number, since 652 + 1 + 7 + 2 + 1 + 1 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652172119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 954523 + ... + 955205.

It is an arithmetic number, because the mean of its divisors is an integer number (16079700).

Almost surely, 2^652172112 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 652172112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (964782000).

652172112 is an abundant number, since it is smaller than the sum of its proper divisors (1277391888).

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

652172112 is a wasteful number, since it uses less digits than its factorization.

652172112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065 (or 1056 counting only the distinct ones).

The product of its digits is 1680, while the sum is 27.

The square root of 652172112 is about 25537.6606602876. The cubic root of 652172112 is about 867.2029393677.

The spelling of 652172112 in words is "six hundred fifty-two million, one hundred seventy-two thousand, one hundred twelve".