43245049 has 2 divisors, whose sum is σ = 43245050. Its totient is φ = 43245048.

The previous prime is 43245023. The next prime is 43245067. The reversal of 43245049 is 94054234.

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., 26988025 + 16257024 = 5195^2 + 4032^2 .

It is a cyclic number.

It is not a de Polignac number, because 43245049 - 2⁵ = 43245017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43245049.

It is not a weakly prime, because it can be changed into another prime (43245079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21622524 + 21622525.

It is an arithmetic number, because the mean of its divisors is an integer number (21622525).

Almost surely, 2^43245049 is an apocalyptic number.

It is an amenable number.

43245049 is a deficient number, since it is larger than the sum of its proper divisors (1).

43245049 is an equidigital number, since it uses as much as digits as its factorization.

43245049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 43245049 is about 6576.0967906502. The cubic root of 43245049 is about 351.0040529506.

The spelling of 43245049 in words is "forty-three million, two hundred forty-five thousand, forty-nine".