83065109 has 4 divisors (see below), whose sum is σ = 83088204. Its totient is φ = 83042016.

The previous prime is 83065091. The next prime is 83065123. The reversal of 83065109 is 90156038.

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

It can be written as a sum of positive squares in 2 ways, for example, as 20702500 + 62362609 = 4550^2 + 7897^2 .

It is a cyclic number.

It is not a de Polignac number, because 83065109 - 2¹⁶ = 82999573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83065159) 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, 4862 + ... + 13775.

It is an arithmetic number, because the mean of its divisors is an integer number (20772051).

Almost surely, 2^83065109 is an apocalyptic number.

It is an amenable number.

83065109 is a deficient number, since it is larger than the sum of its proper divisors (23095).

83065109 is a wasteful number, since it uses less digits than its factorization.

83065109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23094.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 83065109 is about 9114.0061992518. The cubic root of 83065109 is about 436.3210975986.

The spelling of 83065109 in words is "eighty-three million, sixty-five thousand, one hundred nine".