10781983 has 2 divisors, whose sum is σ = 10781984. Its totient is φ = 10781982.

The previous prime is 10781977. The next prime is 10781993. The reversal of 10781983 is 38918701.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10781983 - 2¹⁷ = 10650911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10781993) 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, 5390991 + 5390992.

It is an arithmetic number, because the mean of its divisors is an integer number (5390992).

Almost surely, 2^10781983 is an apocalyptic number.

10781983 is a deficient number, since it is larger than the sum of its proper divisors (1).

10781983 is an equidigital number, since it uses as much as digits as its factorization.

10781983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 37.

The square root of 10781983 is about 3283.5930015762. The cubic root of 10781983 is about 220.9189044745.

The spelling of 10781983 in words is "ten million, seven hundred eighty-one thousand, nine hundred eighty-three".