650050505 has 32 divisors (see below), whose sum is σ = 893537568. Its totient is φ = 449740800.

The previous prime is 650050487. The next prime is 650050519. The reversal of 650050505 is 505050056.

It can be written as a sum of positive squares in 16 ways, for example, as 215619856 + 434430649 = 14684^2 + 20843^2 .

It is not a de Polignac number, because 650050505 - 2²⁰ = 649001929 is a prime.

It is a Duffinian number.

650050505 is a modest number, since divided by 50505 gives 650 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 265085 + ... + 267525.

It is an arithmetic number, because the mean of its divisors is an integer number (27923049).

Almost surely, 2^650050505 is an apocalyptic number.

650050505 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

650050505 is a deficient number, since it is larger than the sum of its proper divisors (243487063).

650050505 is a wasteful number, since it uses less digits than its factorization.

650050505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2717.

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 650050505 is about 25496.0880332650. The cubic root of 650050505 is about 866.2615403527.

The spelling of 650050505 in words is "six hundred fifty million, fifty thousand, five hundred five".