65064319 has 8 divisors (see below), whose sum is σ = 67278848. Its totient is φ = 62857080.

The previous prime is 65064317. The next prime is 65064323. The reversal of 65064319 is 91346056.

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 65064319 - 2¹ = 65064317 is a prime.

It is a super-2 number, since 2×65064319² = 8466731213867522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65064317) 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 in 7 ways as a sum of consecutive naturals, for example, 21094 + ... + 23980.

It is an arithmetic number, because the mean of its divisors is an integer number (8409856).

Almost surely, 2^65064319 is an apocalyptic number.

65064319 is a deficient number, since it is larger than the sum of its proper divisors (2214529).

65064319 is a wasteful number, since it uses less digits than its factorization.

65064319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3645.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 65064319 is about 8066.2456570576. The cubic root of 65064319 is about 402.2051521702.

The spelling of 65064319 in words is "sixty-five million, sixty-four thousand, three hundred nineteen".