650045 has 16 divisors (see below), whose sum is σ = 870912. Its totient is φ = 461760.

The previous prime is 650017. The next prime is 650059. The reversal of 650045 is 540056.

It is not a de Polignac number, because 650045 - 2⁶ = 649981 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 649999 and 650026.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 2804 + ... + 3026.

It is an arithmetic number, because the mean of its divisors is an integer number (54432).

2⁶⁵⁰⁰⁴⁵ is an apocalyptic number.

It is an amenable number.

650045 is a deficient number, since it is larger than the sum of its proper divisors (220867).

650045 is a wasteful number, since it uses less digits than its factorization.

650045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 650045 is about 806.2536821621. The cubic root of 650045 is about 86.6259095013.

The spelling of 650045 in words is "six hundred fifty thousand, forty-five".