65120033 has 4 divisors (see below), whose sum is σ = 71040048. Its totient is φ = 59200020.

The previous prime is 65120009. The next prime is 65120039. The reversal of 65120033 is 33002156.

65120033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 65120033 - 2⁸ = 65119777 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65119987 and 65120014.

It is not an unprimeable number, because it can be changed into a prime (65120039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2959991 + ... + 2960012.

It is an arithmetic number, because the mean of its divisors is an integer number (17760012).

Almost surely, 2^65120033 is an apocalyptic number.

It is an amenable number.

65120033 is a deficient number, since it is larger than the sum of its proper divisors (5920015).

65120033 is a wasteful number, since it uses less digits than its factorization.

65120033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5920014.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 65120033 is about 8069.6984454191. The cubic root of 65120033 is about 402.3199209876.

Adding to 65120033 its reverse (33002156), we get a palindrome (98122189).

The spelling of 65120033 in words is "sixty-five million, one hundred twenty thousand, thirty-three".