650065219 has 4 divisors (see below), whose sum is σ = 658970296. Its totient is φ = 641160144.

The previous prime is 650065217. The next prime is 650065313. The reversal of 650065219 is 912560056.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 650065219 - 2¹ = 650065217 is a prime.

It is a super-2 number, since 2×650065219² = 845169577907035922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (650065211) 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 3 ways as a sum of consecutive naturals, for example, 4452429 + ... + 4452574.

It is an arithmetic number, because the mean of its divisors is an integer number (164742574).

Almost surely, 2^650065219 is an apocalyptic number.

650065219 is a deficient number, since it is larger than the sum of its proper divisors (8905077).

650065219 is an equidigital number, since it uses as much as digits as its factorization.

650065219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8905076.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 650065219 is about 25496.3765857033. The cubic root of 650065219 is about 866.2680762941.

It can be divided in two parts, 65006 and 5219, that added together give a square (70225 = 265²).

The spelling of 650065219 in words is "six hundred fifty million, sixty-five thousand, two hundred nineteen".