252523212 has 24 divisors (see below), whose sum is σ = 591418800. Its totient is φ = 83860416.

The previous prime is 252523211. The next prime is 252523237. The reversal of 252523212 is 212325252.

252523212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (252523211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35887 + ... + 42342.

It is an arithmetic number, because the mean of its divisors is an integer number (24642450).

Almost surely, 2^252523212 is an apocalyptic number.

It is an amenable number.

252523212 is an abundant number, since it is smaller than the sum of its proper divisors (338895588).

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

252523212 is a wasteful number, since it uses less digits than its factorization.

252523212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78505 (or 78503 counting only the distinct ones).

The product of its digits is 2400, while the sum is 24.

The square root of 252523212 is about 15890.9789503353. The cubic root of 252523212 is about 632.0727997910.

Adding to 252523212 its reverse (212325252), we get a palindrome (464848464).

The spelling of 252523212 in words is "two hundred fifty-two million, five hundred twenty-three thousand, two hundred twelve".