6156971 has 2 divisors, whose sum is σ = 6156972. Its totient is φ = 6156970.

The previous prime is 6156967. The next prime is 6156973. The reversal of 6156971 is 1796516.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6156971 - 2² = 6156967 is a prime.

Together with 6156973, 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 (6156973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3078485 + 3078486.

It is an arithmetic number, because the mean of its divisors is an integer number (3078486).

Almost surely, 2^6156971 is an apocalyptic number.

6156971 is a deficient number, since it is larger than the sum of its proper divisors (1).

6156971 is an equidigital number, since it uses as much as digits as its factorization.

6156971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11340, while the sum is 35.

The square root of 6156971 is about 2481.3244447270. The cubic root of 6156971 is about 183.2830778689.

The spelling of 6156971 in words is "six million, one hundred fifty-six thousand, nine hundred seventy-one".