201215252 has 36 divisors (see below), whose sum is σ = 410427360. Its totient is φ = 84530592.

The previous prime is 201215243. The next prime is 201215257. The reversal of 201215252 is 252512102.

It is a happy number.

201215252 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201215257) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 576374 + ... + 576722.

It is an arithmetic number, because the mean of its divisors is an integer number (11400760).

Almost surely, 2^201215252 is an apocalyptic number.

It is an amenable number.

201215252 is an abundant number, since it is smaller than the sum of its proper divisors (209212108).

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

201215252 is an equidigital number, since it uses as much as digits as its factorization.

201215252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768 (or 417 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 201215252 is about 14185.0362001653. The cubic root of 201215252 is about 585.9856294550.

Adding to 201215252 its reverse (252512102), we get a palindrome (453727354).

The spelling of 201215252 in words is "two hundred one million, two hundred fifteen thousand, two hundred fifty-two".