65937313 has 8 divisors (see below), whose sum is σ = 72070208. Its totient is φ = 59955984.

The previous prime is 65937299. The next prime is 65937317. The reversal of 65937313 is 31373956.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65937313 - 2¹³ = 65929121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65937317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36981 + ... + 38722.

It is an arithmetic number, because the mean of its divisors is an integer number (9008776).

Almost surely, 2^65937313 is an apocalyptic number.

It is an amenable number.

65937313 is a deficient number, since it is larger than the sum of its proper divisors (6132895).

65937313 is a wasteful number, since it uses less digits than its factorization.

65937313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75783.

The product of its digits is 51030, while the sum is 37.

The square root of 65937313 is about 8120.1793699401. The cubic root of 65937313 is about 403.9960154657.

The spelling of 65937313 in words is "sixty-five million, nine hundred thirty-seven thousand, three hundred thirteen".