648316283 has 4 divisors (see below), whose sum is σ = 649048080. Its totient is φ = 647584488.

The previous prime is 648316247. The next prime is 648316297. The reversal of 648316283 is 382613846.

It is a happy number.

648316283 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 648316283 - 2²⁴ = 631539067 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 648316283.

It is not an unprimeable number, because it can be changed into a prime (648316223) 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, 364568 + ... + 366341.

It is an arithmetic number, because the mean of its divisors is an integer number (162262020).

Almost surely, 2^648316283 is an apocalyptic number.

648316283 is a deficient number, since it is larger than the sum of its proper divisors (731797).

648316283 is an equidigital number, since it uses as much as digits as its factorization.

648316283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731796.

The product of its digits is 165888, while the sum is 41.

The square root of 648316283 is about 25462.0557496837. The cubic root of 648316283 is about 865.4905091058.

The spelling of 648316283 in words is "six hundred forty-eight million, three hundred sixteen thousand, two hundred eighty-three".