650560 has 56 divisors (see below), whose sum is σ = 1645920. Its totient is φ = 244224.

The previous prime is 650549. The next prime is 650563. The reversal of 650560 is 65056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6027 + ... + 6133.

2⁶⁵⁰⁵⁶⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 650560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (822960).

650560 is an abundant number, since it is smaller than the sum of its proper divisors (995360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

650560 is a wasteful number, since it uses less digits than its factorization.

650560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 650560 is about 806.5729973164. The cubic root of 650560 is about 86.6487800037.

The spelling of 650560 in words is "six hundred fifty thousand, five hundred sixty".