2097173 has 8 divisors (see below), whose sum is σ = 2269848. Its totient is φ = 1926144.

The previous prime is 2097169. The next prime is 2097211. The reversal of 2097173 is 3717902.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 253009 + 1844164 = 503^2 + 1358^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2097173 - 2² = 2097169 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2097133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4361 + ... + 4817.

It is an arithmetic number, because the mean of its divisors is an integer number (283731).

2^2097173 is an apocalyptic number.

It is an amenable number.

2097173 is a deficient number, since it is larger than the sum of its proper divisors (172675).

2097173 is a wasteful number, since it uses less digits than its factorization.

2097173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823.

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 2097173 is about 1448.1619384585. The cubic root of 2097173 is about 128.0004272447. Note that the first 3 decimals are identical.

The spelling of 2097173 in words is "two million, ninety-seven thousand, one hundred seventy-three".