65261113 has 12 divisors (see below), whose sum is σ = 69687772. Its totient is φ = 61102080.

The previous prime is 65261093. The next prime is 65261153. The reversal of 65261113 is 31116256.

It can be written as a sum of positive squares in 6 ways, for example, as 1468944 + 63792169 = 1212^2 + 7987^2 .

It is a de Polignac number, because none of the positive numbers 2^k-65261113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65261153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69181 + ... + 70117.

Almost surely, 2^65261113 is an apocalyptic number.

It is an amenable number.

65261113 is a deficient number, since it is larger than the sum of its proper divisors (4426659).

65261113 is a wasteful number, since it uses less digits than its factorization.

65261113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212 (or 1195 counting only the distinct ones).

The product of its digits is 1080, while the sum is 25.

The square root of 65261113 is about 8078.4350588465. The cubic root of 65261113 is about 402.6102482094.

Adding to 65261113 its reverse (31116256), we get a palindrome (96377369).

The spelling of 65261113 in words is "sixty-five million, two hundred sixty-one thousand, one hundred thirteen".