43319141 has 2 divisors, whose sum is σ = 43319142. Its totient is φ = 43319140.

The previous prime is 43319131. The next prime is 43319147. The reversal of 43319141 is 14191334.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26884225 + 16434916 = 5185^2 + 4054^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43319141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43319141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43319147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21659570 + 21659571.

It is an arithmetic number, because the mean of its divisors is an integer number (21659571).

Almost surely, 2^43319141 is an apocalyptic number.

It is an amenable number.

43319141 is a deficient number, since it is larger than the sum of its proper divisors (1).

43319141 is an equidigital number, since it uses as much as digits as its factorization.

43319141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 26.

The square root of 43319141 is about 6581.7278126644. The cubic root of 43319141 is about 351.2043976883.

The spelling of 43319141 in words is "forty-three million, three hundred nineteen thousand, one hundred forty-one".