65135833 has 4 divisors (see below), whose sum is σ = 74440960. Its totient is φ = 55830708.

The previous prime is 65135821. The next prime is 65135869. The reversal of 65135833 is 33853156.

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 65135833 - 2⁵ = 65135801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65135803) 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, 4652553 + ... + 4652566.

It is an arithmetic number, because the mean of its divisors is an integer number (18610240).

Almost surely, 2^65135833 is an apocalyptic number.

It is an amenable number.

65135833 is a deficient number, since it is larger than the sum of its proper divisors (9305127).

65135833 is an equidigital number, since it uses as much as digits as its factorization.

65135833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9305126.

The product of its digits is 32400, while the sum is 34.

The square root of 65135833 is about 8070.6773569509. The cubic root of 65135833 is about 402.3524564989.

Adding to 65135833 its reverse (33853156), we get a palindrome (98988989).

The spelling of 65135833 in words is "sixty-five million, one hundred thirty-five thousand, eight hundred thirty-three".