43114391 has 2 divisors, whose sum is σ = 43114392. Its totient is φ = 43114390.

The previous prime is 43114349. The next prime is 43114417. The reversal of 43114391 is 19341134.

It is an a-pointer prime, because the next prime (43114417) can be obtained adding 43114391 to its sum of digits (26).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43114391 is a prime.

It is a super-2 number, since 2×43114391² = 3717701422601762, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43114391.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43114691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21557195 + 21557196.

It is an arithmetic number, because the mean of its divisors is an integer number (21557196).

Almost surely, 2^43114391 is an apocalyptic number.

43114391 is a deficient number, since it is larger than the sum of its proper divisors (1).

43114391 is an equidigital number, since it uses as much as digits as its factorization.

43114391 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 43114391 is about 6566.1549631424. The cubic root of 43114391 is about 350.6501954647.

The spelling of 43114391 in words is "forty-three million, one hundred fourteen thousand, three hundred ninety-one".