43406141 has 2 divisors, whose sum is σ = 43406142. Its totient is φ = 43406140.

The previous prime is 43406119. The next prime is 43406149. The reversal of 43406141 is 14160434.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43099225 + 306916 = 6565^2 + 554^2 .

It is a cyclic number.

It is not a de Polignac number, because 43406141 - 2¹⁴ = 43389757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43406149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21703070 + 21703071.

It is an arithmetic number, because the mean of its divisors is an integer number (21703071).

Almost surely, 2^43406141 is an apocalyptic number.

It is an amenable number.

43406141 is a deficient number, since it is larger than the sum of its proper divisors (1).

43406141 is an equidigital number, since it uses as much as digits as its factorization.

43406141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 43406141 is about 6588.3337043595. Note that the first 3 decimals coincide. The cubic root of 43406141 is about 351.4393542594.

Adding to 43406141 its reverse (14160434), we get a palindrome (57566575).

The spelling of 43406141 in words is "forty-three million, four hundred six thousand, one hundred forty-one".