8132539 has 4 divisors (see below), whose sum is σ = 8151840. Its totient is φ = 8113240.

The previous prime is 8132521. The next prime is 8132543. The reversal of 8132539 is 9352318.

It is a happy number.

8132539 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9352318 = 2 ⋅4676159.

It is a cyclic number.

It is not a de Polignac number, because 8132539 - 2⁹ = 8132027 is a prime.

It is a super-2 number, since 2×8132539² = 132276381173042, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 8132539.

It is not an unprimeable number, because it can be changed into a prime (8132549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9004 + ... + 9865.

It is an arithmetic number, because the mean of its divisors is an integer number (2037960).

Almost surely, 2^8132539 is an apocalyptic number.

8132539 is a deficient number, since it is larger than the sum of its proper divisors (19301).

8132539 is a wasteful number, since it uses less digits than its factorization.

8132539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19300.

The product of its digits is 6480, while the sum is 31.

The square root of 8132539 is about 2851.7606842090. The cubic root of 8132539 is about 201.0984476853.

The spelling of 8132539 in words is "eight million, one hundred thirty-two thousand, five hundred thirty-nine".