528452232 has 128 divisors (see below), whose sum is σ = 1718876160. Its totient is φ = 131281920.

The previous prime is 528452231. The next prime is 528452237. The reversal of 528452232 is 232254825.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 528452193 and 528452202.

It is not an unprimeable number, because it can be changed into a prime (528452231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36288 + ... + 48720.

It is an arithmetic number, because the mean of its divisors is an integer number (13428720).

Almost surely, 2^528452232 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 528452232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (859438080).

528452232 is an abundant number, since it is smaller than the sum of its proper divisors (1190423928).

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

528452232 is a wasteful number, since it uses less digits than its factorization.

528452232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12483 (or 12479 counting only the distinct ones).

The product of its digits is 38400, while the sum is 33.

The square root of 528452232 is about 22988.0889157842. The cubic root of 528452232 is about 808.4786930804.

The spelling of 528452232 in words is "five hundred twenty-eight million, four hundred fifty-two thousand, two hundred thirty-two".