2573173 has 4 divisors (see below), whose sum is σ = 2581708. Its totient is φ = 2564640.

The previous prime is 2573161. The next prime is 2573209. The reversal of 2573173 is 3713752.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1077444 + 1495729 = 1038^2 + 1223^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2573173 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 (2573143) 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, 3798 + ... + 4423.

It is an arithmetic number, because the mean of its divisors is an integer number (645427).

2^2573173 is an apocalyptic number.

It is an amenable number.

2573173 is a deficient number, since it is larger than the sum of its proper divisors (8535).

2573173 is an equidigital number, since it uses as much as digits as its factorization.

2573173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8534.

The product of its digits is 4410, while the sum is 28.

The square root of 2573173 is about 1604.1112804291. Note that the first 3 decimals coincide. The cubic root of 2573173 is about 137.0323151788.

The spelling of 2573173 in words is "two million, five hundred seventy-three thousand, one hundred seventy-three".