248326919 has 2 divisors, whose sum is σ = 248326920. Its totient is φ = 248326918.

The previous prime is 248326907. The next prime is 248326921. The reversal of 248326919 is 919623842.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-248326919 is a prime.

It is a super-2 number, since 2×248326919² = 123332517400065122, which contains 22 as substring.

Together with 248326921, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 248326919.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248326619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124163459 + 124163460.

It is an arithmetic number, because the mean of its divisors is an integer number (124163460).

Almost surely, 2^248326919 is an apocalyptic number.

248326919 is a deficient number, since it is larger than the sum of its proper divisors (1).

248326919 is an equidigital number, since it uses as much as digits as its factorization.

248326919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 44.

The square root of 248326919 is about 15758.3920182232. The cubic root of 248326919 is about 628.5520783521.

The spelling of 248326919 in words is "two hundred forty-eight million, three hundred twenty-six thousand, nine hundred nineteen".