650320115 has 4 divisors (see below), whose sum is σ = 780384144. Its totient is φ = 520256088.

The previous prime is 650320093. The next prime is 650320117. The reversal of 650320115 is 511023056.

650320115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 650320115 - 2¹² = 650316019 is a prime.

It is a super-2 number, since 2×650320115² = 845832503947226450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (650320117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65032007 + ... + 65032016.

It is an arithmetic number, because the mean of its divisors is an integer number (195096036).

Almost surely, 2^650320115 is an apocalyptic number.

650320115 is a deficient number, since it is larger than the sum of its proper divisors (130064029).

650320115 is a wasteful number, since it uses less digits than its factorization.

650320115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130064028.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 650320115 is about 25501.3747668631. The cubic root of 650320115 is about 866.3812851472.

The spelling of 650320115 in words is "six hundred fifty million, three hundred twenty thousand, one hundred fifteen".