1045582249 has 2 divisors, whose sum is σ = 1045582250. Its totient is φ = 1045582248.

The previous prime is 1045582243. The next prime is 1045582289. The reversal of 1045582249 is 9422855401.

It is a happy number.

1045582249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (1045582289) can be obtained adding 1045582249 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 920030224 + 125552025 = 30332^2 + 11205^2 .

It is an emirp because it is prime and its reverse (9422855401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1045582249 - 2⁷ = 1045582121 is a prime.

It is not a weakly prime, because it can be changed into another prime (1045582243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522791124 + 522791125.

It is an arithmetic number, because the mean of its divisors is an integer number (522791125).

Almost surely, 2^1045582249 is an apocalyptic number.

It is an amenable number.

1045582249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1045582249 is an equidigital number, since it uses as much as digits as its factorization.

1045582249 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 40.

The square root of 1045582249 is about 32335.4642613957. The cubic root of 1045582249 is about 1014.9688971032.

The spelling of 1045582249 in words is "one billion, forty-five million, five hundred eighty-two thousand, two hundred forty-nine".