43034891 has 2 divisors, whose sum is σ = 43034892. Its totient is φ = 43034890.

The previous prime is 43034881. The next prime is 43034897. The reversal of 43034891 is 19843034.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43034891 - 2¹⁰ = 43033867 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (43034897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21517445 + 21517446.

It is an arithmetic number, because the mean of its divisors is an integer number (21517446).

Almost surely, 2^43034891 is an apocalyptic number.

43034891 is a deficient number, since it is larger than the sum of its proper divisors (1).

43034891 is an equidigital number, since it uses as much as digits as its factorization.

43034891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 43034891 is about 6560.0983986523. The cubic root of 43034891 is about 350.4345378331.

The spelling of 43034891 in words is "forty-three million, thirty-four thousand, eight hundred ninety-one".