263051071 has 2 divisors, whose sum is σ = 263051072. Its totient is φ = 263051070.

The previous prime is 263051051. The next prime is 263051077. The reversal of 263051071 is 170150362.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 263051071 - 2⁹ = 263050559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (263051077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131525535 + 131525536.

It is an arithmetic number, because the mean of its divisors is an integer number (131525536).

Almost surely, 2^263051071 is an apocalyptic number.

263051071 is a deficient number, since it is larger than the sum of its proper divisors (1).

263051071 is an equidigital number, since it uses as much as digits as its factorization.

263051071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 263051071 is about 16218.8492501780. The cubic root of 263051071 is about 640.7373264896.

The spelling of 263051071 in words is "two hundred sixty-three million, fifty-one thousand, seventy-one".