132528581 has 2 divisors, whose sum is σ = 132528582. Its totient is φ = 132528580.

The previous prime is 132528563. The next prime is 132528589. The reversal of 132528581 is 185825231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118156900 + 14371681 = 10870^2 + 3791^2 .

It is a cyclic number.

It is not a de Polignac number, because 132528581 - 2²² = 128334277 is a prime.

It is a super-2 number, since 2×132528581² = 35127649563747122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132528589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66264290 + 66264291.

It is an arithmetic number, because the mean of its divisors is an integer number (66264291).

Almost surely, 2^132528581 is an apocalyptic number.

It is an amenable number.

132528581 is a deficient number, since it is larger than the sum of its proper divisors (1).

132528581 is an equidigital number, since it uses as much as digits as its factorization.

132528581 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19200, while the sum is 35.

The square root of 132528581 is about 11512.1058455871. The cubic root of 132528581 is about 509.8430646187.

The spelling of 132528581 in words is "one hundred thirty-two million, five hundred twenty-eight thousand, five hundred eighty-one".