232521152 has 28 divisors (see below), whose sum is σ = 463753200. Its totient is φ = 115670016.

The previous prime is 232521151. The next prime is 232521181. The reversal of 232521152 is 251125232.

It is a super-2 number, since 2×232521152² = 108132172254814208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232521151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3608 + ... + 21864.

Almost surely, 2^232521152 is an apocalyptic number.

It is an amenable number.

232521152 is a deficient number, since it is larger than the sum of its proper divisors (231232048).

232521152 is a wasteful number, since it uses less digits than its factorization.

232521152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18468 (or 18458 counting only the distinct ones).

The product of its digits is 1200, while the sum is 23.

The square root of 232521152 is about 15248.6442676062. The cubic root of 232521152 is about 614.9231199202.

Adding to 232521152 its reverse (251125232), we get a palindrome (483646384).

The spelling of 232521152 in words is "two hundred thirty-two million, five hundred twenty-one thousand, one hundred fifty-two".