43116427 has 2 divisors, whose sum is σ = 43116428. Its totient is φ = 43116426.

The previous prime is 43116413. The next prime is 43116497. The reversal of 43116427 is 72461134.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43116427 - 2⁷ = 43116299 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43116395 and 43116404.

It is not a weakly prime, because it can be changed into another prime (43116497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21558213 + 21558214.

It is an arithmetic number, because the mean of its divisors is an integer number (21558214).

Almost surely, 2^43116427 is an apocalyptic number.

43116427 is a deficient number, since it is larger than the sum of its proper divisors (1).

43116427 is an equidigital number, since it uses as much as digits as its factorization.

43116427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 28.

The square root of 43116427 is about 6566.3099987740. The cubic root of 43116427 is about 350.6557149873.

The spelling of 43116427 in words is "forty-three million, one hundred sixteen thousand, four hundred twenty-seven".