6189971 has 2 divisors, whose sum is σ = 6189972. Its totient is φ = 6189970.

The previous prime is 6189961. The next prime is 6189973. The reversal of 6189971 is 1799816.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6189971 is a prime.

Together with 6189973, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6189973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3094985 + 3094986.

It is an arithmetic number, because the mean of its divisors is an integer number (3094986).

Almost surely, 2^6189971 is an apocalyptic number.

6189971 is a deficient number, since it is larger than the sum of its proper divisors (1).

6189971 is an equidigital number, since it uses as much as digits as its factorization.

6189971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 41.

The square root of 6189971 is about 2487.9652328761. The cubic root of 6189971 is about 183.6099468065.

The spelling of 6189971 in words is "six million, one hundred eighty-nine thousand, nine hundred seventy-one".