268783 has 2 divisors, whose sum is σ = 268784. Its totient is φ = 268782.

The previous prime is 268781. The next prime is 268789. The reversal of 268783 is 387862.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 268783 - 2¹ = 268781 is a prime.

Together with 268781, it forms a pair of twin primes.

It is a nialpdrome in base 6.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268781) 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, 134391 + 134392.

It is an arithmetic number, because the mean of its divisors is an integer number (134392).

2²⁶⁸⁷⁸³ is an apocalyptic number.

268783 is a deficient number, since it is larger than the sum of its proper divisors (1).

268783 is an equidigital number, since it uses as much as digits as its factorization.

268783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 34.

The square root of 268783 is about 518.4428608825. The cubic root of 268783 is about 64.5357852822.

The spelling of 268783 in words is "two hundred sixty-eight thousand, seven hundred eighty-three".