7043189 has 2 divisors, whose sum is σ = 7043190. Its totient is φ = 7043188.

The previous prime is 7043173. The next prime is 7043191. The reversal of 7043189 is 9813407.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3591025 + 3452164 = 1895^2 + 1858^2 .

It is a cyclic number.

It is not a de Polignac number, because 7043189 - 2⁴ = 7043173 is a prime.

It is a super-2 number, since 2×7043189² = 99213022579442, which contains 22 as substring.

Together with 7043191, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7043159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3521594 + 3521595.

It is an arithmetic number, because the mean of its divisors is an integer number (3521595).

Almost surely, 2^7043189 is an apocalyptic number.

It is an amenable number.

7043189 is a deficient number, since it is larger than the sum of its proper divisors (1).

7043189 is an equidigital number, since it uses as much as digits as its factorization.

7043189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 7043189 is about 2653.9007140434. The cubic root of 7043189 is about 191.6857290010.

The spelling of 7043189 in words is "seven million, forty-three thousand, one hundred eighty-nine".