65043313 has 4 divisors (see below), whose sum is σ = 65959488. Its totient is φ = 64127140.

The previous prime is 65043271. The next prime is 65043323. The reversal of 65043313 is 31334056.

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 65043313 - 2¹³ = 65035121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65043323) 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, 457981 + ... + 458122.

It is an arithmetic number, because the mean of its divisors is an integer number (16489872).

Almost surely, 2^65043313 is an apocalyptic number.

It is an amenable number.

65043313 is a deficient number, since it is larger than the sum of its proper divisors (916175).

65043313 is an equidigital number, since it uses as much as digits as its factorization.

65043313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916174.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 65043313 is about 8064.9434591942. The cubic root of 65043313 is about 402.1618635652.

Adding to 65043313 its reverse (31334056), we get a palindrome (96377369).

It can be divided in two parts, 65043 and 313, that added together give a palindrome (65356).

The spelling of 65043313 in words is "sixty-five million, forty-three thousand, three hundred thirteen".