203216093 has 2 divisors, whose sum is σ = 203216094. Its totient is φ = 203216092.

The previous prime is 203216089. The next prime is 203216179. The reversal of 203216093 is 390612302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 162741049 + 40475044 = 12757^2 + 6362^2 .

It is a cyclic number.

It is not a de Polignac number, because 203216093 - 2² = 203216089 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203216023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101608046 + 101608047.

It is an arithmetic number, because the mean of its divisors is an integer number (101608047).

Almost surely, 2^203216093 is an apocalyptic number.

It is an amenable number.

203216093 is a deficient number, since it is larger than the sum of its proper divisors (1).

203216093 is an equidigital number, since it uses as much as digits as its factorization.

203216093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 203216093 is about 14255.3882093754. The cubic root of 203216093 is about 587.9215316718.

Adding to 203216093 its reverse (390612302), we get a palindrome (593828395).

The spelling of 203216093 in words is "two hundred three million, two hundred sixteen thousand, ninety-three".