43441361 has 2 divisors, whose sum is σ = 43441362. Its totient is φ = 43441360.

The previous prime is 43441339. The next prime is 43441373. The reversal of 43441361 is 16314434.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21911761 + 21529600 = 4681^2 + 4640^2 .

It is a cyclic number.

It is not a de Polignac number, because 43441361 - 2⁶ = 43441297 is a prime.

It is a super-3 number, since 3×43441361³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 43441361.

It is not a weakly prime, because it can be changed into another prime (43441561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21720680 + 21720681.

It is an arithmetic number, because the mean of its divisors is an integer number (21720681).

Almost surely, 2^43441361 is an apocalyptic number.

It is an amenable number.

43441361 is a deficient number, since it is larger than the sum of its proper divisors (1).

43441361 is an equidigital number, since it uses as much as digits as its factorization.

43441361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 26.

The square root of 43441361 is about 6591.0060688790. The cubic root of 43441361 is about 351.5343818868.

Adding to 43441361 its reverse (16314434), we get a palindrome (59755795).

The spelling of 43441361 in words is "forty-three million, four hundred forty-one thousand, three hundred sixty-one".