43631041 has 2 divisors, whose sum is σ = 43631042. Its totient is φ = 43631040.

The previous prime is 43630999. The next prime is 43631047. The reversal of 43631041 is 14013634.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43612816 + 18225 = 6604^2 + 135^2 .

It is a cyclic number.

It is not a de Polignac number, because 43631041 - 2¹⁵ = 43598273 is a prime.

It is not a weakly prime, because it can be changed into another prime (43631047) 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, 21815520 + 21815521.

It is an arithmetic number, because the mean of its divisors is an integer number (21815521).

Almost surely, 2^43631041 is an apocalyptic number.

It is an amenable number.

43631041 is a deficient number, since it is larger than the sum of its proper divisors (1).

43631041 is an equidigital number, since it uses as much as digits as its factorization.

43631041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 43631041 is about 6605.3797014252. The cubic root of 43631041 is about 352.0452792347.

Adding to 43631041 its reverse (14013634), we get a palindrome (57644675).

The spelling of 43631041 in words is "forty-three million, six hundred thirty-one thousand, forty-one".