217094113 has 2 divisors, whose sum is σ = 217094114. Its totient is φ = 217094112.

The previous prime is 217094107. The next prime is 217094149. The reversal of 217094113 is 311490712.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128414224 + 88679889 = 11332^2 + 9417^2 .

It is a cyclic number.

It is not a de Polignac number, because 217094113 - 2¹⁷ = 216963041 is a prime.

It is not a weakly prime, because it can be changed into another prime (217094153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108547056 + 108547057.

It is an arithmetic number, because the mean of its divisors is an integer number (108547057).

Almost surely, 2^217094113 is an apocalyptic number.

It is an amenable number.

217094113 is a deficient number, since it is larger than the sum of its proper divisors (1).

217094113 is an equidigital number, since it uses as much as digits as its factorization.

217094113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 217094113 is about 14734.1139197442. The cubic root of 217094113 is about 601.0113618800.

The spelling of 217094113 in words is "two hundred seventeen million, ninety-four thousand, one hundred thirteen".