64935317 has 2 divisors, whose sum is σ = 64935318. Its totient is φ = 64935316.

The previous prime is 64935313. The next prime is 64935319. The reversal of 64935317 is 71353946.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62504836 + 2430481 = 7906^2 + 1559^2 .

It is a cyclic number.

It is not a de Polignac number, because 64935317 - 2² = 64935313 is a prime.

Together with 64935319, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_3836954 and since 64935317 and 3836954 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64935313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32467658 + 32467659.

It is an arithmetic number, because the mean of its divisors is an integer number (32467659).

Almost surely, 2^64935317 is an apocalyptic number.

It is an amenable number.

64935317 is a deficient number, since it is larger than the sum of its proper divisors (1).

64935317 is an equidigital number, since it uses as much as digits as its factorization.

64935317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 38.

The square root of 64935317 is about 8058.2452804565. The cubic root of 64935317 is about 401.9391610281.

The spelling of 64935317 in words is "sixty-four million, nine hundred thirty-five thousand, three hundred seventeen".