43240933 has 2 divisors, whose sum is σ = 43240934. Its totient is φ = 43240932.

The previous prime is 43240927. The next prime is 43240961. The reversal of 43240933 is 33904234.

It is an a-pointer prime, because the next prime (43240961) can be obtained adding 43240933 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33895684 + 9345249 = 5822^2 + 3057^2 .

It is a cyclic number.

It is not a de Polignac number, because 43240933 - 2¹³ = 43232741 is a prime.

It is equal to p_2618245 and since 43240933 and 2618245 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43240973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21620466 + 21620467.

It is an arithmetic number, because the mean of its divisors is an integer number (21620467).

Almost surely, 2^43240933 is an apocalyptic number.

It is an amenable number.

43240933 is a deficient number, since it is larger than the sum of its proper divisors (1).

43240933 is an equidigital number, since it uses as much as digits as its factorization.

43240933 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 43240933 is about 6575.7838316052. The cubic root of 43240933 is about 350.9929165812.

The spelling of 43240933 in words is "forty-three million, two hundred forty thousand, nine hundred thirty-three".