845045263 has 2 divisors, whose sum is σ = 845045264. Its totient is φ = 845045262.

The previous prime is 845045251. The next prime is 845045291. The reversal of 845045263 is 362540548.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-845045263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (845045203) 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, 422522631 + 422522632.

It is an arithmetic number, because the mean of its divisors is an integer number (422522632).

Almost surely, 2^845045263 is an apocalyptic number.

845045263 is a deficient number, since it is larger than the sum of its proper divisors (1).

845045263 is an equidigital number, since it uses as much as digits as its factorization.

845045263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 115200, while the sum is 37.

The square root of 845045263 is about 29069.6622443399. The cubic root of 845045263 is about 945.4240747568.

The spelling of 845045263 in words is "eight hundred forty-five million, forty-five thousand, two hundred sixty-three".