43166741 has 2 divisors, whose sum is σ = 43166742. Its totient is φ = 43166740.

The previous prime is 43166737. The next prime is 43166743. The reversal of 43166741 is 14766134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22600516 + 20566225 = 4754^2 + 4535^2 .

It is a cyclic number.

It is not a de Polignac number, because 43166741 - 2² = 43166737 is a prime.

It is a super-2 number, since 2×43166741² = 3726735057122162, which contains 22 as substring.

Together with 43166743, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 43166698 and 43166707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43166743) 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, 21583370 + 21583371.

It is an arithmetic number, because the mean of its divisors is an integer number (21583371).

Almost surely, 2^43166741 is an apocalyptic number.

It is an amenable number.

43166741 is a deficient number, since it is larger than the sum of its proper divisors (1).

43166741 is an equidigital number, since it uses as much as digits as its factorization.

43166741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 32.

The square root of 43166741 is about 6570.1401050510. The cubic root of 43166741 is about 350.7920592581.

The spelling of 43166741 in words is "forty-three million, one hundred sixty-six thousand, seven hundred forty-one".