43250369 has 2 divisors, whose sum is σ = 43250370. Its totient is φ = 43250368.

The previous prime is 43250357. The next prime is 43250377. The reversal of 43250369 is 96305234.

43250369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35343025 + 7907344 = 5945^2 + 2812^2 .

It is a cyclic number.

It is not a de Polignac number, because 43250369 - 2⁴ = 43250353 is a prime.

It is a super-2 number, since 2×43250369² = 3741188837272322, which contains 22 as substring.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (43250399) 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, 21625184 + 21625185.

It is an arithmetic number, because the mean of its divisors is an integer number (21625185).

Almost surely, 2^43250369 is an apocalyptic number.

It is an amenable number.

43250369 is a deficient number, since it is larger than the sum of its proper divisors (1).

43250369 is an equidigital number, since it uses as much as digits as its factorization.

43250369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 43250369 is about 6576.5012734736. The cubic root of 43250369 is about 351.0184458506.

The spelling of 43250369 in words is "forty-three million, two hundred fifty thousand, three hundred sixty-nine".