248663693 has 2 divisors, whose sum is σ = 248663694. Its totient is φ = 248663692.

The previous prime is 248663687. The next prime is 248663707. The reversal of 248663693 is 396366842.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 195636169 + 53027524 = 13987^2 + 7282^2 .

It is a cyclic number.

It is not a de Polignac number, because 248663693 - 2⁴ = 248663677 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248663663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124331846 + 124331847.

It is an arithmetic number, because the mean of its divisors is an integer number (124331847).

Almost surely, 2^248663693 is an apocalyptic number.

It is an amenable number.

248663693 is a deficient number, since it is larger than the sum of its proper divisors (1).

248663693 is an equidigital number, since it uses as much as digits as its factorization.

248663693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1119744, while the sum is 47.

The square root of 248663693 is about 15769.0739423721. The cubic root of 248663693 is about 628.8360915648.

The spelling of 248663693 in words is "two hundred forty-eight million, six hundred sixty-three thousand, six hundred ninety-three".