65335613 has 4 divisors (see below), whose sum is σ = 74669280. Its totient is φ = 56001948.

The previous prime is 65335603. The next prime is 65335643. The reversal of 65335613 is 31653356.

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 65335613 - 2¹⁰ = 65334589 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65335613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65335603) 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, 4666823 + ... + 4666836.

It is an arithmetic number, because the mean of its divisors is an integer number (18667320).

Almost surely, 2^65335613 is an apocalyptic number.

It is an amenable number.

65335613 is a deficient number, since it is larger than the sum of its proper divisors (9333667).

65335613 is an equidigital number, since it uses as much as digits as its factorization.

65335613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9333666.

The product of its digits is 24300, while the sum is 32.

The square root of 65335613 is about 8083.0447852279. The cubic root of 65335613 is about 402.7633922782.

Adding to 65335613 its reverse (31653356), we get a palindrome (96988969).

The spelling of 65335613 in words is "sixty-five million, three hundred thirty-five thousand, six hundred thirteen".