65284289 has 8 divisors (see below), whose sum is σ = 74827200. Its totient is φ = 55795536.

The previous prime is 65284283. The next prime is 65284291. The reversal of 65284289 is 98248256.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65284289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65284283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10919 + ... + 15804.

It is an arithmetic number, because the mean of its divisors is an integer number (9353400).

Almost surely, 2^65284289 is an apocalyptic number.

It is an amenable number.

65284289 is a deficient number, since it is larger than the sum of its proper divisors (9542911).

65284289 is a wasteful number, since it uses less digits than its factorization.

65284289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27079.

The product of its digits is 276480, while the sum is 44.

The square root of 65284289 is about 8079.8693677559. The cubic root of 65284289 is about 402.6579018597.

The spelling of 65284289 in words is "sixty-five million, two hundred eighty-four thousand, two hundred eighty-nine".