65009113 has 4 divisors (see below), whose sum is σ = 70009828. Its totient is φ = 60008400.

The previous prime is 65009101. The next prime is 65009123. The reversal of 65009113 is 31190056.

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 42994249 + 22014864 = 6557^2 + 4692^2 .

It is a cyclic number.

It is not a de Polignac number, because 65009113 - 2¹⁷ = 64878041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65009123) 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, 2500338 + ... + 2500363.

It is an arithmetic number, because the mean of its divisors is an integer number (17502457).

Almost surely, 2^65009113 is an apocalyptic number.

It is an amenable number.

65009113 is a deficient number, since it is larger than the sum of its proper divisors (5000715).

65009113 is a wasteful number, since it uses less digits than its factorization.

65009113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5000714.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 65009113 is about 8062.8228927591. The cubic root of 65009113 is about 402.0913651726.

Adding to 65009113 its reverse (31190056), we get a palindrome (96199169).

The spelling of 65009113 in words is "sixty-five million, nine thousand, one hundred thirteen".