65484189 has 6 divisors (see below), whose sum is σ = 94588286. Its totient is φ = 43656120.

The previous prime is 65484161. The next prime is 65484217. The reversal of 65484189 is 98148456.

It is an interprime number because it is at equal distance from previous prime (65484161) and next prime (65484217).

It can be written as a sum of positive squares in only one way, i.e., 65367225 + 116964 = 8085^2 + 342^2 .

It is not a de Polignac number, because 65484189 - 2⁵ = 65484157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65484389) 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 5 ways as a sum of consecutive naturals, for example, 3638002 + ... + 3638019.

Almost surely, 2^65484189 is an apocalyptic number.

It is an amenable number.

65484189 is a deficient number, since it is larger than the sum of its proper divisors (29104097).

65484189 is a wasteful number, since it uses less digits than its factorization.

65484189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7276027 (or 7276024 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 65484189 is about 8092.2301623224. The cubic root of 65484189 is about 403.0684615859.

The spelling of 65484189 in words is "sixty-five million, four hundred eighty-four thousand, one hundred eighty-nine".