43062161 has 2 divisors, whose sum is σ = 43062162. Its totient is φ = 43062160.

The previous prime is 43062109. The next prime is 43062163. The reversal of 43062161 is 16126034.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43033600 + 28561 = 6560^2 + 169^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43062161 is a prime.

It is a Sophie Germain prime.

Together with 43062163, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (43062163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21531080 + 21531081.

It is an arithmetic number, because the mean of its divisors is an integer number (21531081).

Almost surely, 2^43062161 is an apocalyptic number.

It is an amenable number.

43062161 is a deficient number, since it is larger than the sum of its proper divisors (1).

43062161 is an equidigital number, since it uses as much as digits as its factorization.

43062161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 43062161 is about 6562.1765444096. The cubic root of 43062161 is about 350.5085423738.

Adding to 43062161 its reverse (16126034), we get a palindrome (59188195).

The spelling of 43062161 in words is "forty-three million, sixty-two thousand, one hundred sixty-one".