2573643 has 8 divisors (see below), whose sum is σ = 3447808. Its totient is φ = 1707624.

The previous prime is 2573633. The next prime is 2573653. The reversal of 2573643 is 3463752.

2573643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2573633) and next prime (2573653).

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

It is not a de Polignac number, because 2573643 - 2¹⁷ = 2442571 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2573643.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2573633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1255 + ... + 2592.

It is an arithmetic number, because the mean of its divisors is an integer number (430976).

2^2573643 is an apocalyptic number.

2573643 is a deficient number, since it is larger than the sum of its proper divisors (874165).

2573643 is a wasteful number, since it uses less digits than its factorization.

2573643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4073.

The product of its digits is 15120, while the sum is 30.

The square root of 2573643 is about 1604.2577723047. The cubic root of 2573643 is about 137.0406578316.

The spelling of 2573643 in words is "two million, five hundred seventy-three thousand, six hundred forty-three".