252045612 has 216 divisors, whose sum is σ = 827845200. Its totient is φ = 64012032.

The previous prime is 252045611. The next prime is 252045637. The reversal of 252045612 is 216540252.

252045612 is a `hidden beast` number, since 2 + 5 + 2 + 0 + 45 + 612 = 666.

252045612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (252045611) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 664839 + ... + 665217.

Almost surely, 2^252045612 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 252045612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (413922600).

252045612 is an abundant number, since it is smaller than the sum of its proper divisors (575799588).

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

252045612 is a wasteful number, since it uses less digits than its factorization.

252045612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445 (or 433 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 252045612 is about 15875.9444443472. The cubic root of 252045612 is about 631.6740661695.

Adding to 252045612 its reverse (216540252), we get a palindrome (468585864).

The spelling of 252045612 in words is "two hundred fifty-two million, forty-five thousand, six hundred twelve".