945758249 has 2 divisors, whose sum is σ = 945758250. Its totient is φ = 945758248.

The previous prime is 945758227. The next prime is 945758291. The reversal of 945758249 is 942857549.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 943411225 + 2347024 = 30715^2 + 1532^2 .

It is an emirp because it is prime and its reverse (942857549) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 945758249 - 2⁸ = 945757993 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 945758249.

It is not a weakly prime, because it can be changed into another prime (945755249) 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, 472879124 + 472879125.

It is an arithmetic number, because the mean of its divisors is an integer number (472879125).

Almost surely, 2^945758249 is an apocalyptic number.

It is an amenable number.

945758249 is a deficient number, since it is larger than the sum of its proper divisors (1).

945758249 is an equidigital number, since it uses as much as digits as its factorization.

945758249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3628800, while the sum is 53.

The square root of 945758249 is about 30753.1827458558. The cubic root of 945758249 is about 981.5822866733.

The spelling of 945758249 in words is "nine hundred forty-five million, seven hundred fifty-eight thousand, two hundred forty-nine".