232528081 has 2 divisors, whose sum is σ = 232528082. Its totient is φ = 232528080.

The previous prime is 232528063. The next prime is 232528151. The reversal of 232528081 is 180825232.

232528081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 207936400 + 24591681 = 14420^2 + 4959^2 .

It is a cyclic number.

It is not a de Polignac number, because 232528081 - 2⁹ = 232527569 is a prime.

It is a super-2 number, since 2×232528081² = 108138616907085122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (232528001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116264040 + 116264041.

It is an arithmetic number, because the mean of its divisors is an integer number (116264041).

Almost surely, 2^232528081 is an apocalyptic number.

It is an amenable number.

232528081 is a deficient number, since it is larger than the sum of its proper divisors (1).

232528081 is an equidigital number, since it uses as much as digits as its factorization.

232528081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 232528081 is about 15248.8714664397. The cubic root of 232528081 is about 614.9292279810.

The spelling of 232528081 in words is "two hundred thirty-two million, five hundred twenty-eight thousand, eighty-one".