65228605 has 8 divisors (see below), whose sum is σ = 84295512. Its totient is φ = 48168768.

The previous prime is 65228593. The next prime is 65228651. The reversal of 65228605 is 50682256.

It can be written as a sum of positive squares in 4 ways, for example, as 538756 + 64689849 = 734^2 + 8043^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 65228605 - 2⁵ = 65228573 is a prime.

It is a Duffinian number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 501694 + ... + 501823.

It is an arithmetic number, because the mean of its divisors is an integer number (10536939).

Almost surely, 2^65228605 is an apocalyptic number.

65228605 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

65228605 is a deficient number, since it is larger than the sum of its proper divisors (19066907).

65228605 is a wasteful number, since it uses less digits than its factorization.

65228605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003535.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 65228605 is about 8076.4227848720. The cubic root of 65228605 is about 402.5433874245.

The spelling of 65228605 in words is "sixty-five million, two hundred twenty-eight thousand, six hundred five".