2727971 has 2 divisors, whose sum is σ = 2727972. Its totient is φ = 2727970.

The previous prime is 2727953. The next prime is 2727979. The reversal of 2727971 is 1797272.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2727971 is a prime.

It is not a weakly prime, because it can be changed into another prime (2727979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1363985 + 1363986.

It is an arithmetic number, because the mean of its divisors is an integer number (1363986).

2^2727971 is an apocalyptic number.

2727971 is a deficient number, since it is larger than the sum of its proper divisors (1).

2727971 is an equidigital number, since it uses as much as digits as its factorization.

2727971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12348, while the sum is 35.

The square root of 2727971 is about 1651.6570467261. The cubic root of 2727971 is about 139.7268654308.

The spelling of 2727971 in words is "two million, seven hundred twenty-seven thousand, nine hundred seventy-one".