650249 has 4 divisors (see below), whose sum is σ = 658560. Its totient is φ = 641940.

The previous prime is 650227. The next prime is 650261. The reversal of 650249 is 942056.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 650249 - 2¹⁶ = 584713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (650269) 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, 4037 + ... + 4194.

It is an arithmetic number, because the mean of its divisors is an integer number (164640).

2⁶⁵⁰²⁴⁹ is an apocalyptic number.

It is an amenable number.

650249 is a deficient number, since it is larger than the sum of its proper divisors (8311).

650249 is an equidigital number, since it uses as much as digits as its factorization.

650249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8310.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 650249 is about 806.3801832883. The cubic root of 650249 is about 86.6349703290.

The spelling of 650249 in words is "six hundred fifty thousand, two hundred forty-nine".