232521064 has 8 divisors (see below), whose sum is σ = 435977010. Its totient is φ = 116260528.

The previous prime is 232521041. The next prime is 232521071. The reversal of 232521064 is 460125232.

It can be written as a sum of positive squares in only one way, i.e., 232318564 + 202500 = 15242^2 + 450^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 14532559 + ... + 14532574.

Almost surely, 2^232521064 is an apocalyptic number.

It is an amenable number.

232521064 is a deficient number, since it is larger than the sum of its proper divisors (203455946).

232521064 is a wasteful number, since it uses less digits than its factorization.

232521064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29065139 (or 29065135 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 232521064 is about 15248.6413821035. The cubic root of 232521064 is about 614.9230423456.

Adding to 232521064 its reverse (460125232), we get a palindrome (692646296).

The spelling of 232521064 in words is "two hundred thirty-two million, five hundred twenty-one thousand, sixty-four".