2572245 has 24 divisors (see below), whose sum is σ = 4802616. Its totient is φ = 1266048.

The previous prime is 2572243. The next prime is 2572261. The reversal of 2572245 is 5422752.

It can be written as a sum of positive squares in 4 ways, for example, as 34596 + 2537649 = 186^2 + 1593^2 .

It is not a de Polignac number, because 2572245 - 2¹ = 2572243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2572243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1614 + ... + 2783.

It is an arithmetic number, because the mean of its divisors is an integer number (200109).

2^2572245 is an apocalyptic number.

It is an amenable number.

2572245 is a deficient number, since it is larger than the sum of its proper divisors (2230371).

2572245 is a wasteful number, since it uses less digits than its factorization.

2572245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4421 (or 4418 counting only the distinct ones).

The product of its digits is 5600, while the sum is 27.

The square root of 2572245 is about 1603.8219976045. The cubic root of 2572245 is about 137.0158398934.

Adding to 2572245 its reverse (5422752), we get a palindrome (7994997).

The spelling of 2572245 in words is "two million, five hundred seventy-two thousand, two hundred forty-five".