103539 has 4 divisors (see below), whose sum is σ = 138056. Its totient is φ = 69024.

The previous prime is 103529. The next prime is 103549. The reversal of 103539 is 935301.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (103529) and next prime (103549).

It is a de Polignac number, because none of the positive numbers 2^k-103539 is a prime.

It is a D-number.

It is a Duffinian number.

103539 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 103539.

It is not an unprimeable number, because it can be changed into a prime (103529) 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, 17254 + ... + 17259.

It is an arithmetic number, because the mean of its divisors is an integer number (34514).

2¹⁰³⁵³⁹ is an apocalyptic number.

103539 is a deficient number, since it is larger than the sum of its proper divisors (34517).

103539 is an equidigital number, since it uses as much as digits as its factorization.

103539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34516.

The product of its (nonzero) digits is 405, while the sum is 21.

The square root of 103539 is about 321.7747659466. The cubic root of 103539 is about 46.9571058778.

The spelling of 103539 in words is "one hundred three thousand, five hundred thirty-nine".