65288585 has 8 divisors (see below), whose sum is σ = 82955016. Its totient is φ = 49158400.

The previous prime is 65288569. The next prime is 65288591. The reversal of 65288585 is 58588256.

65288585 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 32809984 + 32478601 = 5728^2 + 5699^2 .

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

It is not a de Polignac number, because 65288585 - 2⁴ = 65288569 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 383966 + ... + 384135.

It is an arithmetic number, because the mean of its divisors is an integer number (10369377).

Almost surely, 2^65288585 is an apocalyptic number.

It is an amenable number.

65288585 is a deficient number, since it is larger than the sum of its proper divisors (17666431).

65288585 is a wasteful number, since it uses less digits than its factorization.

65288585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768123.

The product of its digits is 768000, while the sum is 47.

The square root of 65288585 is about 8080.1352092648. The cubic root of 65288585 is about 402.6667338999. Note that the first 3 decimals are identical.

The spelling of 65288585 in words is "sixty-five million, two hundred eighty-eight thousand, five hundred eighty-five".