252042112 has 32 divisors (see below), whose sum is σ = 573847920. Its totient is φ = 108017664.

The previous prime is 252042101. The next prime is 252042127. The reversal of 252042112 is 211240252.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 252042112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139753 + ... + 141544.

Almost surely, 2^252042112 is an apocalyptic number.

It is an amenable number.

252042112 is an abundant number, since it is smaller than the sum of its proper divisors (321805808).

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

252042112 is an equidigital number, since it uses as much as digits as its factorization.

252042112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281318 (or 281306 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 252042112 is about 15875.8342143019. The cubic root of 252042112 is about 631.6711422683.

Adding to 252042112 its reverse (211240252), we get a palindrome (463282364).

The spelling of 252042112 in words is "two hundred fifty-two million, forty-two thousand, one hundred twelve".