1006783 has 2 divisors, whose sum is σ = 1006784. Its totient is φ = 1006782.

The previous prime is 1006781. The next prime is 1006799. The reversal of 1006783 is 3876001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1006783 - 2¹ = 1006781 is a prime.

It is a super-2 number, since 2×1006783² = 2027224018178, which contains 22 as substring.

Together with 1006781, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1006781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 503391 + 503392.

It is an arithmetic number, because the mean of its divisors is an integer number (503392).

2^1006783 is an apocalyptic number.

1006783 is a deficient number, since it is larger than the sum of its proper divisors (1).

1006783 is an equidigital number, since it uses as much as digits as its factorization.

1006783 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 1006783 is about 1003.3857682866. The cubic root of 1006783 is about 100.2255907056.

The spelling of 1006783 in words is "one million, six thousand, seven hundred eighty-three".