43352069 has 2 divisors, whose sum is σ = 43352070. Its totient is φ = 43352068.

The previous prime is 43352051. The next prime is 43352081. The reversal of 43352069 is 96025334.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32376100 + 10975969 = 5690^2 + 3313^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43352069 is a prime.

It is a super-2 number, since 2×43352069² = 3758803773161522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43352269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21676034 + 21676035.

It is an arithmetic number, because the mean of its divisors is an integer number (21676035).

Almost surely, 2^43352069 is an apocalyptic number.

It is an amenable number.

43352069 is a deficient number, since it is larger than the sum of its proper divisors (1).

43352069 is an equidigital number, since it uses as much as digits as its factorization.

43352069 is an evil number, because the sum of its binary digits is even.

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

The square root of 43352069 is about 6584.2288082964. The cubic root of 43352069 is about 351.2933616676.

The spelling of 43352069 in words is "forty-three million, three hundred fifty-two thousand, sixty-nine".