648283 has 2 divisors, whose sum is σ = 648284. Its totient is φ = 648282.

The previous prime is 648269. The next prime is 648289. The reversal of 648283 is 382846.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 648283 - 2⁹ = 647771 is a prime.

It is a super-3 number, since 3×648283³ = 817363338635043561, which contains 333 as substring.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (648289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 324141 + 324142.

It is an arithmetic number, because the mean of its divisors is an integer number (324142).

2⁶⁴⁸²⁸³ is an apocalyptic number.

648283 is a deficient number, since it is larger than the sum of its proper divisors (1).

648283 is an equidigital number, since it uses as much as digits as its factorization.

648283 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9216, while the sum is 31.

The square root of 648283 is about 805.1602325003. The cubic root of 648283 is about 86.5475698118.

The spelling of 648283 in words is "six hundred forty-eight thousand, two hundred eighty-three".