65361513 has 16 divisors (see below), whose sum is σ = 99848576. Its totient is φ = 37255680.

The previous prime is 65361509. The next prime is 65361551. The reversal of 65361513 is 31516356.

It is not a de Polignac number, because 65361513 - 2² = 65361509 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65361613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5145 + ... + 12537.

It is an arithmetic number, because the mean of its divisors is an integer number (6240536).

Almost surely, 2^65361513 is an apocalyptic number.

It is an amenable number.

65361513 is a deficient number, since it is larger than the sum of its proper divisors (34487063).

65361513 is a wasteful number, since it uses less digits than its factorization.

65361513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7824.

The product of its digits is 8100, while the sum is 30.

The square root of 65361513 is about 8084.6467455295. The cubic root of 65361513 is about 402.8166056957.

Adding to 65361513 its reverse (31516356), we get a palindrome (96877869).

The spelling of 65361513 in words is "sixty-five million, three hundred sixty-one thousand, five hundred thirteen".