2173603 has 4 divisors (see below), whose sum is σ = 2301480. Its totient is φ = 2045728.

The previous prime is 2173601. The next prime is 2173643. The reversal of 2173603 is 3063712.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2173603 - 2¹ = 2173601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2173601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63913 + ... + 63946.

It is an arithmetic number, because the mean of its divisors is an integer number (575370).

2^2173603 is an apocalyptic number.

2173603 is a deficient number, since it is larger than the sum of its proper divisors (127877).

2173603 is a wasteful number, since it uses less digits than its factorization.

2173603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127876.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 2173603 is about 1474.3144169410. The cubic root of 2173603 is about 129.5368727706.

The spelling of 2173603 in words is "two million, one hundred seventy-three thousand, six hundred three".