248486417 has 2 divisors, whose sum is σ = 248486418. Its totient is φ = 248486416.

The previous prime is 248486387. The next prime is 248486429. The reversal of 248486417 is 714684842.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 231313681 + 17172736 = 15209^2 + 4144^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-248486417 is a prime.

It is not a weakly prime, because it can be changed into another prime (248426417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124243208 + 124243209.

It is an arithmetic number, because the mean of its divisors is an integer number (124243209).

Almost surely, 2^248486417 is an apocalyptic number.

It is an amenable number.

248486417 is a deficient number, since it is larger than the sum of its proper divisors (1).

248486417 is an equidigital number, since it uses as much as digits as its factorization.

248486417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 344064, while the sum is 44.

The square root of 248486417 is about 15763.4519379481. The cubic root of 248486417 is about 628.6866205430.

The spelling of 248486417 in words is "two hundred forty-eight million, four hundred eighty-six thousand, four hundred seventeen".