2173263 has 16 divisors (see below), whose sum is σ = 3142656. Its totient is φ = 1330560.

The previous prime is 2173243. The next prime is 2173307. The reversal of 2173263 is 3623712.

It is not a de Polignac number, because 2173263 - 2¹⁰ = 2172239 is a prime.

It is a super-3 number, since 3×2173263³ = 30793433309735707341, which contains 333 as substring.

2173263 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2173243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1698 + ... + 2688.

It is an arithmetic number, because the mean of its divisors is an integer number (196416).

2^2173263 is an apocalyptic number.

2173263 is a deficient number, since it is larger than the sum of its proper divisors (969393).

2173263 is a wasteful number, since it uses less digits than its factorization.

2173263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054.

The product of its digits is 1512, while the sum is 24.

The square root of 2173263 is about 1474.1991045988. The cubic root of 2173263 is about 129.5301182662.

Adding to 2173263 its reverse (3623712), we get a palindrome (5796975).

The spelling of 2173263 in words is "two million, one hundred seventy-three thousand, two hundred sixty-three".