232521042 has 16 divisors (see below), whose sum is σ = 500814720. Its totient is φ = 71544912.

The previous prime is 232521041. The next prime is 232521071. The reversal of 232521042 is 240125232.

It is not an unprimeable number, because it can be changed into a prime (232521041) 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 7 ways as a sum of consecutive naturals, for example, 1490442 + ... + 1490597.

It is an arithmetic number, because the mean of its divisors is an integer number (31300920).

Almost surely, 2^232521042 is an apocalyptic number.

232521042 is an abundant number, since it is smaller than the sum of its proper divisors (268293678).

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

232521042 is a wasteful number, since it uses less digits than its factorization.

232521042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2981057.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 232521042 is about 15248.6406607278. The cubic root of 232521042 is about 614.9230229519.

Adding to 232521042 its reverse (240125232), we get a palindrome (472646274).

The spelling of 232521042 in words is "two hundred thirty-two million, five hundred twenty-one thousand, forty-two".