528252732 has 144 divisors (see below), whose sum is σ = 1605129120. Its totient is φ = 149796864.

The previous prime is 528252727. The next prime is 528252793. The reversal of 528252732 is 237252825.

It is a happy number.

528252732 is a `hidden beast` number, since 52 + 82 + 527 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 915228 + ... + 915804.

It is an arithmetic number, because the mean of its divisors is an integer number (11146730).

Almost surely, 2^528252732 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 528252732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (802564560).

528252732 is an abundant number, since it is smaller than the sum of its proper divisors (1076876388).

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

528252732 is a wasteful number, since it uses less digits than its factorization.

528252732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777 (or 762 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 528252732 is about 22983.7493024963. The cubic root of 528252732 is about 808.3769419725.

The spelling of 528252732 in words is "five hundred twenty-eight million, two hundred fifty-two thousand, seven hundred thirty-two".