232528535489 has 2 divisors, whose sum is σ = 232528535490. Its totient is φ = 232528535488.

The previous prime is 232528535471. The next prime is 232528535501. The reversal of 232528535489 is 984535825232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 232500445489 + 28090000 = 482183^2 + 5300^2 .

It is a cyclic number.

It is not a de Polignac number, because 232528535489 - 2⁸ = 232528535233 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (232528735489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116264267744 + 116264267745.

It is an arithmetic number, because the mean of its divisors is an integer number (116264267745).

Almost surely, 2^232528535489 is an apocalyptic number.

It is an amenable number.

232528535489 is a deficient number, since it is larger than the sum of its proper divisors (1).

232528535489 is an equidigital number, since it uses as much as digits as its factorization.

232528535489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736000, while the sum is 56.

The spelling of 232528535489 in words is "two hundred thirty-two billion, five hundred twenty-eight million, five hundred thirty-five thousand, four hundred eighty-nine".