232525216 has 144 divisors (see below), whose sum is σ = 601679232. Its totient is φ = 86423040.

The previous prime is 232525187. The next prime is 232525243. The reversal of 232525216 is 612525232.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 623206 + ... + 623578.

It is an arithmetic number, because the mean of its divisors is an integer number (4178328).

Almost surely, 2^232525216 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 232525216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300839616).

232525216 is an abundant number, since it is smaller than the sum of its proper divisors (369154016).

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

232525216 is a wasteful number, since it uses less digits than its factorization.

232525216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435 (or 416 counting only the distinct ones).

The product of its digits is 7200, while the sum is 28.

The square root of 232525216 is about 15248.7775247723. Note that the first 3 decimals coincide. The cubic root of 232525216 is about 614.9267024373.

The spelling of 232525216 in words is "two hundred thirty-two million, five hundred twenty-five thousand, two hundred sixteen".