2573573 has 4 divisors (see below), whose sum is σ = 2580108. Its totient is φ = 2567040.

The previous prime is 2573561. The next prime is 2573591. The reversal of 2573573 is 3753752.

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 494209 + 2079364 = 703^2 + 1442^2 .

It is a cyclic number.

It is not a de Polignac number, because 2573573 - 2⁶ = 2573509 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 (2573533) 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, 2636 + ... + 3477.

It is an arithmetic number, because the mean of its divisors is an integer number (645027).

2^2573573 is an apocalyptic number.

It is an amenable number.

2573573 is a deficient number, since it is larger than the sum of its proper divisors (6535).

2573573 is an equidigital number, since it uses as much as digits as its factorization.

2573573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6534.

The product of its digits is 22050, while the sum is 32.

The square root of 2573573 is about 1604.2359552136. The cubic root of 2573573 is about 137.0394153732.

The spelling of 2573573 in words is "two million, five hundred seventy-three thousand, five hundred seventy-three".