445005263 has 2 divisors, whose sum is σ = 445005264. Its totient is φ = 445005262.

The previous prime is 445005241. The next prime is 445005283. The reversal of 445005263 is 362500544.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 445005263 - 2¹⁰ = 445004239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445005283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222502631 + 222502632.

It is an arithmetic number, because the mean of its divisors is an integer number (222502632).

Almost surely, 2^445005263 is an apocalyptic number.

445005263 is a deficient number, since it is larger than the sum of its proper divisors (1).

445005263 is an equidigital number, since it uses as much as digits as its factorization.

445005263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 445005263 is about 21095.1478544238. The cubic root of 445005263 is about 763.4636819452.

The spelling of 445005263 in words is "four hundred forty-five million, five thousand, two hundred sixty-three".