248210117 has 2 divisors, whose sum is σ = 248210118. Its totient is φ = 248210116.

The previous prime is 248210111. The next prime is 248210119. The reversal of 248210117 is 711012842.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 242300356 + 5909761 = 15566^2 + 2431^2 .

It is a cyclic number.

It is not a de Polignac number, because 248210117 - 2⁸ = 248209861 is a prime.

Together with 248210119, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248210111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124105058 + 124105059.

It is an arithmetic number, because the mean of its divisors is an integer number (124105059).

Almost surely, 2^248210117 is an apocalyptic number.

It is an amenable number.

248210117 is a deficient number, since it is larger than the sum of its proper divisors (1).

248210117 is an equidigital number, since it uses as much as digits as its factorization.

248210117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 248210117 is about 15754.6855570018. The cubic root of 248210117 is about 628.4535151976.

Adding to 248210117 its reverse (711012842), we get a palindrome (959222959).

The spelling of 248210117 in words is "two hundred forty-eight million, two hundred ten thousand, one hundred seventeen".