65104109 has 4 divisors (see below), whose sum is σ = 74404704. Its totient is φ = 55803516.

The previous prime is 65104097. The next prime is 65104133. The reversal of 65104109 is 90140156.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65104109 - 2⁴ = 65104093 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 (65104189) 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, 4650287 + ... + 4650300.

It is an arithmetic number, because the mean of its divisors is an integer number (18601176).

Almost surely, 2^65104109 is an apocalyptic number.

It is an amenable number.

65104109 is a deficient number, since it is larger than the sum of its proper divisors (9300595).

65104109 is an equidigital number, since it uses as much as digits as its factorization.

65104109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9300594.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 65104109 is about 8068.7117311254. The cubic root of 65104109 is about 402.2871248090.

The spelling of 65104109 in words is "sixty-five million, one hundred four thousand, one hundred nine".