201135252 has 24 divisors (see below), whose sum is σ = 480231136. Its totient is φ = 65485728.

The previous prime is 201135229. The next prime is 201135257. The reversal of 201135252 is 252531102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201135257) 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, 194383 + ... + 195414.

Almost surely, 2^201135252 is an apocalyptic number.

It is an amenable number.

201135252 is an abundant number, since it is smaller than the sum of its proper divisors (279095884).

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

201135252 is a wasteful number, since it uses less digits than its factorization.

201135252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389847 (or 389845 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 201135252 is about 14182.2160468666. The cubic root of 201135252 is about 585.9079596229.

Adding to 201135252 its reverse (252531102), we get a palindrome (453666354).

The spelling of 201135252 in words is "two hundred one million, one hundred thirty-five thousand, two hundred fifty-two".