2173297 has 12 divisors (see below), whose sum is σ = 2677860. Its totient is φ = 1752576.

The previous prime is 2173243. The next prime is 2173307. The reversal of 2173297 is 7923712.

2173297 = T₂₇₃ + T₂₇₄ + ... + T₃₂₁.

It can be written as a sum of positive squares in 2 ways, for example, as 1382976 + 790321 = 1176^2 + 889^2 .

It is not a de Polignac number, because 2173297 - 2¹¹ = 2171249 is a prime.

It is an Ulam number.

It is a Duffinian number.

2173297 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2173207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 472 + ... + 2137.

It is an arithmetic number, because the mean of its divisors is an integer number (223155).

2^2173297 is an apocalyptic number.

It is an amenable number.

2173297 is a deficient number, since it is larger than the sum of its proper divisors (504563).

2173297 is a wasteful number, since it uses less digits than its factorization.

2173297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2640 (or 2633 counting only the distinct ones).

The product of its digits is 5292, while the sum is 31.

The square root of 2173297 is about 1474.2106362389. The cubic root of 2173297 is about 129.5307937483.

The spelling of 2173297 in words is "two million, one hundred seventy-three thousand, two hundred ninety-seven".