2573568 has 54 divisors (see below), whose sum is σ = 7426874. Its totient is φ = 857088.

The previous prime is 2573561. The next prime is 2573591. The reversal of 2573568 is 8653752.

2573568 is a `hidden beast` number, since 25 + 73 + 568 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1557504 + 1016064 = 1248^2 + 1008^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a d-powerful number, because it can be written as 2¹⁶ + 5³ + 7⁷ + 3³ + 5⁴ + 6⁸ + 8⁴ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2573561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1746 + ... + 2862.

2^2573568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2573568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3713437).

2573568 is an abundant number, since it is smaller than the sum of its proper divisors (4853306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2573568 is a wasteful number, since it uses less digits than its factorization.

2573568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1139 (or 1122 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 2573568 is about 1604.2343968386. The cubic root of 2573568 is about 137.0393266253.

The spelling of 2573568 in words is "two million, five hundred seventy-three thousand, five hundred sixty-eight".