965539 has 4 divisors (see below), whose sum is σ = 977256. Its totient is φ = 953824.

The previous prime is 965533. The next prime is 965551. The reversal of 965539 is 935569.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 935569 = 29 ⋅32261.

It is a cyclic number.

It is not a de Polignac number, because 965539 - 2⁵ = 965507 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 965498 and 965507.

It is not an unprimeable number, because it can be changed into a prime (965533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5734 + ... + 5899.

It is an arithmetic number, because the mean of its divisors is an integer number (244314).

2⁹⁶⁵⁵³⁹ is an apocalyptic number.

965539 is a deficient number, since it is larger than the sum of its proper divisors (11717).

965539 is a wasteful number, since it uses less digits than its factorization.

965539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11716.

The product of its digits is 36450, while the sum is 37.

The square root of 965539 is about 982.6184406981. The cubic root of 965539 is about 98.8378463082.

The spelling of 965539 in words is "nine hundred sixty-five thousand, five hundred thirty-nine".