65328975 has 18 divisors (see below), whose sum is σ = 117011856. Its totient is φ = 34842000.

The previous prime is 65328929. The next prime is 65328979. The reversal of 65328975 is 57982356.

It is a happy number.

It is not a de Polignac number, because 65328975 - 2⁹ = 65328463 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 65328975.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65328979) 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 17 ways as a sum of consecutive naturals, for example, 144951 + ... + 145400.

Almost surely, 2^65328975 is an apocalyptic number.

65328975 is a deficient number, since it is larger than the sum of its proper divisors (51682881).

65328975 is a wasteful number, since it uses less digits than its factorization.

65328975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290367 (or 290359 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 65328975 is about 8082.6341622023. The cubic root of 65328975 is about 402.7497517647.

The spelling of 65328975 in words is "sixty-five million, three hundred twenty-eight thousand, nine hundred seventy-five".