232520552 has 64 divisors (see below), whose sum is σ = 488376000. Its totient is φ = 102896640.

The previous prime is 232520551. The next prime is 232520591. The reversal of 232520552 is 255025232.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (232520551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 666074 + ... + 666422.

It is an arithmetic number, because the mean of its divisors is an integer number (7630875).

Almost surely, 2^232520552 is an apocalyptic number.

232520552 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 232520552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244188000).

232520552 is an abundant number, since it is smaller than the sum of its proper divisors (255855448).

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

232520552 is a wasteful number, since it uses less digits than its factorization.

232520552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546 (or 542 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 232520552 is about 15248.6245937134. The cubic root of 232520552 is about 614.9225910018.

Adding to 232520552 its reverse (255025232), we get a palindrome (487545784).

The spelling of 232520552 in words is "two hundred thirty-two million, five hundred twenty thousand, five hundred fifty-two".