65044117 has 4 divisors (see below), whose sum is σ = 66110476. Its totient is φ = 63977760.

The previous prime is 65044093. The next prime is 65044121. The reversal of 65044117 is 71144056.

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 10491121 + 54552996 = 3239^2 + 7386^2 .

It is a cyclic number.

It is not a de Polignac number, because 65044117 - 2¹¹ = 65042069 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 (65044157) 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, 533088 + ... + 533209.

It is an arithmetic number, because the mean of its divisors is an integer number (16527619).

Almost surely, 2^65044117 is an apocalyptic number.

It is an amenable number.

65044117 is a deficient number, since it is larger than the sum of its proper divisors (1066359).

65044117 is a wasteful number, since it uses less digits than its factorization.

65044117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066358.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 65044117 is about 8064.9933043990. The cubic root of 65044117 is about 402.1635205985.

The spelling of 65044117 in words is "sixty-five million, forty-four thousand, one hundred seventeen".