232521115443252 has 72 divisors (see below), whose sum is σ = 570970453015200. Its totient is φ = 73639602062400.

The previous prime is 232521115443241. The next prime is 232521115443257. The reversal of 232521115443252 is 252344511125232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232521115443257) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121970374 + ... + 123862077.

Almost surely, 2^{232521115443252} is an apocalyptic number.

It is an amenable number.

232521115443252 is an abundant number, since it is smaller than the sum of its proper divisors (338449337571948).

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

232521115443252 is a wasteful number, since it uses less digits than its factorization.

232521115443252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245832653 (or 245832628 counting only the distinct ones).

The product of its digits is 576000, while the sum is 42.

Adding to 232521115443252 its reverse (252344511125232), we get a palindrome (484865626568484).

The spelling of 232521115443252 in words is "two hundred thirty-two trillion, five hundred twenty-one billion, one hundred fifteen million, four hundred forty-three thousand, two hundred fifty-two".