1248165263 has 2 divisors, whose sum is σ = 1248165264. Its totient is φ = 1248165262.

The previous prime is 1248165241. The next prime is 1248165277. The reversal of 1248165263 is 3625618421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1248165263 - 2⁶ = 1248165199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1248165203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 624082631 + 624082632.

It is an arithmetic number, because the mean of its divisors is an integer number (624082632).

Almost surely, 2^1248165263 is an apocalyptic number.

1248165263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1248165263 is an equidigital number, since it uses as much as digits as its factorization.

1248165263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 38.

The square root of 1248165263 is about 35329.3824316248. The cubic root of 1248165263 is about 1076.6900441375.

The spelling of 1248165263 in words is "one billion, two hundred forty-eight million, one hundred sixty-five thousand, two hundred sixty-three".