2897173 has 2 divisors, whose sum is σ = 2897174. Its totient is φ = 2897172.

The previous prime is 2897171. The next prime is 2897179. The reversal of 2897173 is 3717982.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1800964 + 1096209 = 1342^2 + 1047^2 .

It is a cyclic number.

It is not a de Polignac number, because 2897173 - 2¹ = 2897171 is a prime.

It is a super-2 number, since 2×2897173² = 16787222783858, which contains 22 as substring.

Together with 2897171, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2897171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1448586 + 1448587.

It is an arithmetic number, because the mean of its divisors is an integer number (1448587).

2^2897173 is an apocalyptic number.

It is an amenable number.

2897173 is a deficient number, since it is larger than the sum of its proper divisors (1).

2897173 is an equidigital number, since it uses as much as digits as its factorization.

2897173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21168, while the sum is 37.

The square root of 2897173 is about 1702.1083984283. The cubic root of 2897173 is about 142.5579614422.

The spelling of 2897173 in words is "two million, eight hundred ninety-seven thousand, one hundred seventy-three".