43536841 has 2 divisors, whose sum is σ = 43536842. Its totient is φ = 43536840.

The previous prime is 43536839. The next prime is 43536853. The reversal of 43536841 is 14863534.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37161216 + 6375625 = 6096^2 + 2525^2 .

It is a cyclic number.

It is not a de Polignac number, because 43536841 - 2¹ = 43536839 is a prime.

Together with 43536839, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 43536797 and 43536806.

It is not a weakly prime, because it can be changed into another prime (43536341) 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, 21768420 + 21768421.

It is an arithmetic number, because the mean of its divisors is an integer number (21768421).

Almost surely, 2^43536841 is an apocalyptic number.

It is an amenable number.

43536841 is a deficient number, since it is larger than the sum of its proper divisors (1).

43536841 is an equidigital number, since it uses as much as digits as its factorization.

43536841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 34.

The square root of 43536841 is about 6598.2452970468. The cubic root of 43536841 is about 351.7917398629.

The spelling of 43536841 in words is "forty-three million, five hundred thirty-six thousand, eight hundred forty-one".