248917243 has 2 divisors, whose sum is σ = 248917244. Its totient is φ = 248917242.

The previous prime is 248917231. The next prime is 248917307. The reversal of 248917243 is 342719842.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 248917243 - 2⁵ = 248917211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 248917196 and 248917205.

It is not a weakly prime, because it can be changed into another prime (248917843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124458621 + 124458622.

It is an arithmetic number, because the mean of its divisors is an integer number (124458622).

Almost surely, 2^248917243 is an apocalyptic number.

248917243 is a deficient number, since it is larger than the sum of its proper divisors (1).

248917243 is an equidigital number, since it uses as much as digits as its factorization.

248917243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 40.

The square root of 248917243 is about 15777.1113642517. Note that the first 3 decimals coincide. The cubic root of 248917243 is about 629.0497499243.

The spelling of 248917243 in words is "two hundred forty-eight million, nine hundred seventeen thousand, two hundred forty-three".