43306049 has 2 divisors, whose sum is σ = 43306050. Its totient is φ = 43306048.

The previous prime is 43305991. The next prime is 43306051. The reversal of 43306049 is 94060334.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37736449 + 5569600 = 6143^2 + 2360^2 .

It is a cyclic number.

It is not a de Polignac number, because 43306049 - 2¹² = 43301953 is a prime.

Together with 43306051, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (43306069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21653024 + 21653025.

It is an arithmetic number, because the mean of its divisors is an integer number (21653025).

Almost surely, 2^43306049 is an apocalyptic number.

It is an amenable number.

43306049 is a deficient number, since it is larger than the sum of its proper divisors (1).

43306049 is an equidigital number, since it uses as much as digits as its factorization.

43306049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 43306049 is about 6580.7331658410. The cubic root of 43306049 is about 351.1690135513.

The spelling of 43306049 in words is "forty-three million, three hundred six thousand, forty-nine".