43352489 has 2 divisors, whose sum is σ = 43352490. Its totient is φ = 43352488.

The previous prime is 43352483. The next prime is 43352513. The reversal of 43352489 is 98425334.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42680089 + 672400 = 6533^2 + 820^2 .

It is a cyclic number.

It is not a de Polignac number, because 43352489 - 2⁴ = 43352473 is a prime.

It is not a weakly prime, because it can be changed into another prime (43352483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21676244 + 21676245.

It is an arithmetic number, because the mean of its divisors is an integer number (21676245).

Almost surely, 2^43352489 is an apocalyptic number.

It is an amenable number.

43352489 is a deficient number, since it is larger than the sum of its proper divisors (1).

43352489 is an equidigital number, since it uses as much as digits as its factorization.

43352489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 38.

The square root of 43352489 is about 6584.2607026150. The cubic root of 43352489 is about 351.2944961213.

The spelling of 43352489 in words is "forty-three million, three hundred fifty-two thousand, four hundred eighty-nine".