132528509 has 2 divisors, whose sum is σ = 132528510. Its totient is φ = 132528508.

The previous prime is 132528373. The next prime is 132528527. The reversal of 132528509 is 905825231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80371225 + 52157284 = 8965^2 + 7222^2 .

It is a cyclic number.

It is not a de Polignac number, because 132528509 - 2¹⁶ = 132462973 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132528559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66264254 + 66264255.

It is an arithmetic number, because the mean of its divisors is an integer number (66264255).

Almost surely, 2^132528509 is an apocalyptic number.

It is an amenable number.

132528509 is a deficient number, since it is larger than the sum of its proper divisors (1).

132528509 is an equidigital number, since it uses as much as digits as its factorization.

132528509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 132528509 is about 11512.1027184438. The cubic root of 132528509 is about 509.8429722896.

The spelling of 132528509 in words is "one hundred thirty-two million, five hundred twenty-eight thousand, five hundred nine".