252201132 has 36 divisors (see below), whose sum is σ = 647029656. Its totient is φ = 82811520.

The previous prime is 252201077. The next prime is 252201133. The reversal of 252201132 is 231102252.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (252201133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49869 + ... + 54692.

It is an arithmetic number, because the mean of its divisors is an integer number (17973046).

Almost surely, 2^252201132 is an apocalyptic number.

It is an amenable number.

252201132 is an abundant number, since it is smaller than the sum of its proper divisors (394828524).

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

252201132 is a wasteful number, since it uses less digits than its factorization.

252201132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104638 (or 104633 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 252201132 is about 15880.8416653526. The cubic root of 252201132 is about 631.8039603206.

Adding to 252201132 its reverse (231102252), we get a palindrome (483303384).

The spelling of 252201132 in words is "two hundred fifty-two million, two hundred one thousand, one hundred thirty-two".