65328605 has 8 divisors (see below), whose sum is σ = 79114200. Its totient is φ = 51782976.

The previous prime is 65328589. The next prime is 65328611. The reversal of 65328605 is 50682356.

It can be written as a sum of positive squares in 4 ways, for example, as 20666116 + 44662489 = 4546^2 + 6683^2 .

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 65328605 - 2⁴ = 65328589 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 59390 + ... + 60479.

It is an arithmetic number, because the mean of its divisors is an integer number (9889275).

Almost surely, 2^65328605 is an apocalyptic number.

It is an amenable number.

65328605 is a deficient number, since it is larger than the sum of its proper divisors (13785595).

65328605 is a wasteful number, since it uses less digits than its factorization.

65328605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119983.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 65328605 is about 8082.6112735922. The cubic root of 65328605 is about 402.7489914196.

The spelling of 65328605 in words is "sixty-five million, three hundred twenty-eight thousand, six hundred five".