27529 has 2 divisors, whose sum is σ = 27530. Its totient is φ = 27528.

The previous prime is 27527. The next prime is 27539. The reversal of 27529 is 92572.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21904 + 5625 = 148^2 + 75^2 .

It is a cyclic number.

It is not a de Polignac number, because 27529 - 2¹ = 27527 is a prime.

Together with 27527, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (27527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13764 + 13765.

It is an arithmetic number, because the mean of its divisors is an integer number (13765).

2²⁷⁵²⁹ is an apocalyptic number.

It is an amenable number.

27529 is a deficient number, since it is larger than the sum of its proper divisors (1).

27529 is an equidigital number, since it uses as much as digits as its factorization.

27529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1260, while the sum is 25.

The square root of 27529 is about 165.9186547679. The cubic root of 27529 is about 30.1946601087.

The spelling of 27529 in words is "twenty-seven thousand, five hundred twenty-nine".