2897171 has 2 divisors, whose sum is σ = 2897172. Its totient is φ = 2897170.

The previous prime is 2897131. The next prime is 2897173. The reversal of 2897171 is 1717982.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2897171 - 2⁶ = 2897107 is a prime.

It is a Sophie Germain prime.

Together with 2897173, 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 (2897173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1448585 + 1448586.

It is an arithmetic number, because the mean of its divisors is an integer number (1448586).

2^2897171 is an apocalyptic number.

2897171 is a deficient number, since it is larger than the sum of its proper divisors (1).

2897171 is an equidigital number, since it uses as much as digits as its factorization.

2897171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7056, while the sum is 35.

The square root of 2897171 is about 1702.1078109215. The cubic root of 2897171 is about 142.5579286383.

The spelling of 2897171 in words is "two million, eight hundred ninety-seven thousand, one hundred seventy-one".