41309 has 4 divisors (see below), whose sum is σ = 41820. Its totient is φ = 40800.

The previous prime is 41299. The next prime is 41333. The reversal of 41309 is 90314.

41309 is digitally balanced in base 2, 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 a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 38809 + 2500 = 197^2 + 50^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 41309.

It is not an unprimeable number, because it can be changed into a prime (41389) 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, 104 + ... + 305.

It is an arithmetic number, because the mean of its divisors is an integer number (10455).

2⁴¹³⁰⁹ is an apocalyptic number.

It is an amenable number.

41309 is a deficient number, since it is larger than the sum of its proper divisors (511).

41309 is a wasteful number, since it uses less digits than its factorization.

41309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 41309 is about 203.2461561752. The cubic root of 41309 is about 34.5685816345.

The spelling of 41309 in words is "forty-one thousand, three hundred nine".