43317049 has 2 divisors, whose sum is σ = 43317050. Its totient is φ = 43317048.

The previous prime is 43317031. The next prime is 43317083. The reversal of 43317049 is 94071334.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28355625 + 14961424 = 5325^2 + 3868^2 .

It is a cyclic number.

It is not a de Polignac number, because 43317049 - 2⁷ = 43316921 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43317049.

It is not a weakly prime, because it can be changed into another prime (43317019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21658524 + 21658525.

It is an arithmetic number, because the mean of its divisors is an integer number (21658525).

Almost surely, 2^43317049 is an apocalyptic number.

It is an amenable number.

43317049 is a deficient number, since it is larger than the sum of its proper divisors (1).

43317049 is an equidigital number, since it uses as much as digits as its factorization.

43317049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 43317049 is about 6581.5688859116. The cubic root of 43317049 is about 351.1987440564.

The spelling of 43317049 in words is "forty-three million, three hundred seventeen thousand, forty-nine".