663359 has 2 divisors, whose sum is σ = 663360. Its totient is φ = 663358.

The previous prime is 663349. The next prime is 663371. The reversal of 663359 is 953366.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 663359 - 2¹⁶ = 597823 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (663319) 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, 331679 + 331680.

It is an arithmetic number, because the mean of its divisors is an integer number (331680).

2⁶⁶³³⁵⁹ is an apocalyptic number.

663359 is a deficient number, since it is larger than the sum of its proper divisors (1).

663359 is an equidigital number, since it uses as much as digits as its factorization.

663359 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14580, while the sum is 32.

The square root of 663359 is about 814.4685383733. The cubic root of 663359 is about 87.2133312250.

The spelling of 663359 in words is "six hundred sixty-three thousand, three hundred fifty-nine".