65704319 has 2 divisors, whose sum is σ = 65704320. Its totient is φ = 65704318.

The previous prime is 65704297. The next prime is 65704321. The reversal of 65704319 is 91340756.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65704319 is a prime.

It is a super-2 number, since 2×65704319² = 8634115070507522, which contains 22 as substring.

Together with 65704321, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65704349) 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, 32852159 + 32852160.

It is an arithmetic number, because the mean of its divisors is an integer number (32852160).

Almost surely, 2^65704319 is an apocalyptic number.

65704319 is a deficient number, since it is larger than the sum of its proper divisors (1).

65704319 is an equidigital number, since it uses as much as digits as its factorization.

65704319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 65704319 is about 8105.8200695550. The cubic root of 65704319 is about 403.5196047078.

The spelling of 65704319 in words is "sixty-five million, seven hundred four thousand, three hundred nineteen".