648059 has 2 divisors, whose sum is σ = 648060. Its totient is φ = 648058.

The previous prime is 648047. The next prime is 648061. The reversal of 648059 is 950846.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-648059 is a prime.

Together with 648061, it forms a pair of twin primes.

It is a Chen prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 648059.

It is not a weakly prime, because it can be changed into another prime (648019) by changing a digit.

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 as a sum of consecutive naturals, namely, 324029 + 324030.

It is an arithmetic number, because the mean of its divisors is an integer number (324030).

2⁶⁴⁸⁰⁵⁹ is an apocalyptic number.

648059 is a deficient number, since it is larger than the sum of its proper divisors (1).

648059 is an equidigital number, since it uses as much as digits as its factorization.

648059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 648059 is about 805.0211177354. The cubic root of 648059 is about 86.5376004574.

Adding to 648059 its sum of digits (32), we get a triangular number (648091 = T₁₁₃₈).

The spelling of 648059 in words is "six hundred forty-eight thousand, fifty-nine".