43412489 has 2 divisors, whose sum is σ = 43412490. Its totient is φ = 43412488.

The previous prime is 43412471. The next prime is 43412503. The reversal of 43412489 is 98421434.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34810000 + 8602489 = 5900^2 + 2933^2 .

It is a cyclic number.

It is not a de Polignac number, because 43412489 - 2⁸ = 43412233 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (43412189) 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, 21706244 + 21706245.

It is an arithmetic number, because the mean of its divisors is an integer number (21706245).

Almost surely, 2^43412489 is an apocalyptic number.

It is an amenable number.

43412489 is a deficient number, since it is larger than the sum of its proper divisors (1).

43412489 is an equidigital number, since it uses as much as digits as its factorization.

43412489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 35.

The square root of 43412489 is about 6588.8154474078. The cubic root of 43412489 is about 351.4564856930.

The spelling of 43412489 in words is "forty-three million, four hundred twelve thousand, four hundred eighty-nine".