65373313 has 4 divisors (see below), whose sum is σ = 69218820. Its totient is φ = 61527808.

The previous prime is 65373299. The next prime is 65373353. The reversal of 65373313 is 31337356.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27279729 + 38093584 = 5223^2 + 6172^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65373313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65373353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1922728 + ... + 1922761.

It is an arithmetic number, because the mean of its divisors is an integer number (17304705).

Almost surely, 2^65373313 is an apocalyptic number.

It is an amenable number.

65373313 is a deficient number, since it is larger than the sum of its proper divisors (3845507).

65373313 is a wasteful number, since it uses less digits than its factorization.

65373313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3845506.

The product of its digits is 17010, while the sum is 31.

The square root of 65373313 is about 8085.3764909248. The cubic root of 65373313 is about 402.8408449853.

The spelling of 65373313 in words is "sixty-five million, three hundred seventy-three thousand, three hundred thirteen".