65297317 has 4 divisors (see below), whose sum is σ = 65337580. Its totient is φ = 65257056.

The previous prime is 65297291. The next prime is 65297321. The reversal of 65297317 is 71379256.

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 34093921 + 31203396 = 5839^2 + 5586^2 .

It is a cyclic number.

It is not a de Polignac number, because 65297317 - 2⁷ = 65297189 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 65297317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65297387) 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, 17592 + ... + 20977.

It is an arithmetic number, because the mean of its divisors is an integer number (16334395).

Almost surely, 2^65297317 is an apocalyptic number.

It is an amenable number.

65297317 is a deficient number, since it is larger than the sum of its proper divisors (40263).

65297317 is a wasteful number, since it uses less digits than its factorization.

65297317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40262.

The product of its digits is 79380, while the sum is 40.

The square root of 65297317 is about 8080.6755286919. The cubic root of 65297317 is about 402.6846846090.

It can be divided in two parts, 652 and 97317, that added together give a square (97969 = 313²).

The spelling of 65297317 in words is "sixty-five million, two hundred ninety-seven thousand, three hundred seventeen".