32130252 has 144 divisors (see below), whose sum is σ = 103364352. Its totient is φ = 8173440.

The previous prime is 32130251. The next prime is 32130277. The reversal of 32130252 is 25203123.

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 (32130251) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 185638 + ... + 185810.

It is an arithmetic number, because the mean of its divisors is an integer number (717808).

Almost surely, 2^32130252 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 32130252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51682176).

32130252 is an abundant number, since it is smaller than the sum of its proper divisors (71234100).

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

32130252 is a wasteful number, since it uses less digits than its factorization.

32130252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 32130252 is about 5668.3553170210. The cubic root of 32130252 is about 317.9103817714.

Adding to 32130252 its reverse (25203123), we get a palindrome (57333375).

The spelling of 32130252 in words is "thirty-two million, one hundred thirty thousand, two hundred fifty-two".