65328617 has 2 divisors, whose sum is σ = 65328618. Its totient is φ = 65328616.

The previous prime is 65328611. The next prime is 65328661. The reversal of 65328617 is 71682356.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37650496 + 27678121 = 6136^2 + 5261^2 .

It is a cyclic number.

It is not a de Polignac number, because 65328617 - 2²⁴ = 48551401 is a prime.

It is a super-3 number, since 3×65328617³ (a number of 24 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (65328611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32664308 + 32664309.

It is an arithmetic number, because the mean of its divisors is an integer number (32664309).

Almost surely, 2^65328617 is an apocalyptic number.

It is an amenable number.

65328617 is a deficient number, since it is larger than the sum of its proper divisors (1).

65328617 is an equidigital number, since it uses as much as digits as its factorization.

65328617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 38.

The square root of 65328617 is about 8082.6120159265. The cubic root of 65328617 is about 402.7490160795.

The spelling of 65328617 in words is "sixty-five million, three hundred twenty-eight thousand, six hundred seventeen".