845250797 has 2 divisors, whose sum is σ = 845250798. Its totient is φ = 845250796.

The previous prime is 845250787. The next prime is 845250803. The reversal of 845250797 is 797052548.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 845006761 + 244036 = 29069^2 + 494^2 .

It is a cyclic number.

It is not a de Polignac number, because 845250797 - 2²⁰ = 844202221 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (845250787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 422625398 + 422625399.

It is an arithmetic number, because the mean of its divisors is an integer number (422625399).

Almost surely, 2^845250797 is an apocalyptic number.

It is an amenable number.

845250797 is a deficient number, since it is larger than the sum of its proper divisors (1).

845250797 is an equidigital number, since it uses as much as digits as its factorization.

845250797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 705600, while the sum is 47.

The square root of 845250797 is about 29073.1972269993. The cubic root of 845250797 is about 945.5007180043.

The spelling of 845250797 in words is "eight hundred forty-five million, two hundred fifty thousand, seven hundred ninety-seven".