2125804173 has 8 divisors (see below), whose sum is σ = 2837191200. Its totient is φ = 1415809968.

The previous prime is 2125804171. The next prime is 2125804183. The reversal of 2125804173 is 3714085212.

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

It is not a de Polignac number, because 2125804173 - 2¹ = 2125804171 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125804171) 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, 344638 + ... + 350751.

It is an arithmetic number, because the mean of its divisors is an integer number (354648900).

Almost surely, 2^2125804173 is an apocalyptic number.

It is an amenable number.

2125804173 is a deficient number, since it is larger than the sum of its proper divisors (711387027).

2125804173 is a wasteful number, since it uses less digits than its factorization.

2125804173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696411.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 2125804173 is about 46106.4439422517. The cubic root of 2125804173 is about 1285.8029517565.

Adding to 2125804173 its reverse (3714085212), we get a palindrome (5839889385).

The spelling of 2125804173 in words is "two billion, one hundred twenty-five million, eight hundred four thousand, one hundred seventy-three".