217083103 has 2 divisors, whose sum is σ = 217083104. Its totient is φ = 217083102.

The previous prime is 217083091. The next prime is 217083121. The reversal of 217083103 is 301380712.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 217083103 - 2²⁵ = 183528671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (217083203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108541551 + 108541552.

It is an arithmetic number, because the mean of its divisors is an integer number (108541552).

Almost surely, 2^217083103 is an apocalyptic number.

217083103 is a deficient number, since it is larger than the sum of its proper divisors (1).

217083103 is an equidigital number, since it uses as much as digits as its factorization.

217083103 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 217083103 is about 14733.7402922679. The cubic root of 217083103 is about 601.0012015447.

The spelling of 217083103 in words is "two hundred seventeen million, eighty-three thousand, one hundred three".