65450985 has 16 divisors (see below), whose sum is σ = 109275264. Its totient is φ = 33389312.

The previous prime is 65450963. The next prime is 65451017. The reversal of 65450985 is 58905456.

It is a cyclic number.

It is not a de Polignac number, because 65450985 - 2⁶ = 65450921 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between even and odd.

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 15 ways as a sum of consecutive naturals, for example, 94512 + ... + 95201.

It is an arithmetic number, because the mean of its divisors is an integer number (6829704).

Almost surely, 2^65450985 is an apocalyptic number.

It is an amenable number.

65450985 is a deficient number, since it is larger than the sum of its proper divisors (43824279).

65450985 is a wasteful number, since it uses less digits than its factorization.

65450985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189744.

The product of its (nonzero) digits is 216000, while the sum is 42.

The square root of 65450985 is about 8090.1783045864. The cubic root of 65450985 is about 403.0003242839. Note that the first 3 decimals are identical.

The spelling of 65450985 in words is "sixty-five million, four hundred fifty thousand, nine hundred eighty-five".