215325132 has 96 divisors (see below), whose sum is σ = 572479488. Its totient is φ = 62400000.

The previous prime is 215325113. The next prime is 215325133. The reversal of 215325132 is 231523512.

It is a happy number.

215325132 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (215325133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 413032 + ... + 413552.

It is an arithmetic number, because the mean of its divisors is an integer number (5963328).

Almost surely, 2^215325132 is an apocalyptic number.

215325132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 215325132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286239744).

215325132 is an abundant number, since it is smaller than the sum of its proper divisors (357154356).

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

215325132 is a wasteful number, since it uses less digits than its factorization.

215325132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671 (or 669 counting only the distinct ones).

The product of its digits is 1800, while the sum is 24.

The square root of 215325132 is about 14673.9610194385. The cubic root of 215325132 is about 599.3744703032.

Adding to 215325132 its reverse (231523512), we get a palindrome (446848644).

The spelling of 215325132 in words is "two hundred fifteen million, three hundred twenty-five thousand, one hundred thirty-two".