43287941 has 2 divisors, whose sum is σ = 43287942. Its totient is φ = 43287940.

The previous prime is 43287931. The next prime is 43287943. The reversal of 43287941 is 14978234.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32092225 + 11195716 = 5665^2 + 3346^2 .

It is a cyclic number.

It is not a de Polignac number, because 43287941 - 2⁶ = 43287877 is a prime.

Together with 43287943, 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 = 43287895 and 43287904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43287943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21643970 + 21643971.

It is an arithmetic number, because the mean of its divisors is an integer number (21643971).

Almost surely, 2^43287941 is an apocalyptic number.

It is an amenable number.

43287941 is a deficient number, since it is larger than the sum of its proper divisors (1).

43287941 is an equidigital number, since it uses as much as digits as its factorization.

43287941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 38.

The square root of 43287941 is about 6579.3571874462. The cubic root of 43287941 is about 351.1200607671.

The spelling of 43287941 in words is "forty-three million, two hundred eighty-seven thousand, nine hundred forty-one".