43445041 has 2 divisors, whose sum is σ = 43445042. Its totient is φ = 43445040.

The previous prime is 43445027. The next prime is 43445053. The reversal of 43445041 is 14054434.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42523441 + 921600 = 6521^2 + 960^2 .

It is a cyclic number.

It is not a de Polignac number, because 43445041 - 2⁵ = 43445009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43444997 and 43445015.

It is not a weakly prime, because it can be changed into another prime (43445341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21722520 + 21722521.

It is an arithmetic number, because the mean of its divisors is an integer number (21722521).

Almost surely, 2^43445041 is an apocalyptic number.

It is an amenable number.

43445041 is a deficient number, since it is larger than the sum of its proper divisors (1).

43445041 is an equidigital number, since it uses as much as digits as its factorization.

43445041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 43445041 is about 6591.2852312732. The cubic root of 43445041 is about 351.5443079877.

Adding to 43445041 its reverse (14054434), we get a palindrome (57499475).

The spelling of 43445041 in words is "forty-three million, four hundred forty-five thousand, forty-one".