43541401 has 2 divisors, whose sum is σ = 43541402. Its totient is φ = 43541400.

The previous prime is 43541363. The next prime is 43541417. The reversal of 43541401 is 10414534.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36905625 + 6635776 = 6075^2 + 2576^2 .

It is a cyclic number.

It is not a de Polignac number, because 43541401 - 2¹⁹ = 43017113 is a prime.

It is not a weakly prime, because it can be changed into another prime (43541431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21770700 + 21770701.

It is an arithmetic number, because the mean of its divisors is an integer number (21770701).

Almost surely, 2^43541401 is an apocalyptic number.

It is an amenable number.

43541401 is a deficient number, since it is larger than the sum of its proper divisors (1).

43541401 is an equidigital number, since it uses as much as digits as its factorization.

43541401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 43541401 is about 6598.5908344131. The cubic root of 43541401 is about 351.8040215251.

Adding to 43541401 its reverse (10414534), we get a palindrome (53955935).

The spelling of 43541401 in words is "forty-three million, five hundred forty-one thousand, four hundred one".