2697971 has 2 divisors, whose sum is σ = 2697972. Its totient is φ = 2697970.

The previous prime is 2697953. The next prime is 2697973. The reversal of 2697971 is 1797962.

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-2697971 is a prime.

Together with 2697973, 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 (2697973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1348985 + 1348986.

It is an arithmetic number, because the mean of its divisors is an integer number (1348986).

2^2697971 is an apocalyptic number.

2697971 is a deficient number, since it is larger than the sum of its proper divisors (1).

2697971 is an equidigital number, since it uses as much as digits as its factorization.

2697971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47628, while the sum is 41.

The square root of 2697971 is about 1642.5501514413. The cubic root of 2697971 is about 139.2127755868.

Subtracting from 2697971 its reverse (1797962), we obtain a palindrome (900009).

The spelling of 2697971 in words is "two million, six hundred ninety-seven thousand, nine hundred seventy-one".