2521244 has 12 divisors (see below), whose sum is σ = 4813368. Its totient is φ = 1146000.

The previous prime is 2521223. The next prime is 2521249. The reversal of 2521244 is 4421252.

It is a happy number.

2521244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2521249) 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 3 ways as a sum of consecutive naturals, for example, 28607 + ... + 28694.

It is an arithmetic number, because the mean of its divisors is an integer number (401114).

2^2521244 is an apocalyptic number.

It is an amenable number.

2521244 is a deficient number, since it is larger than the sum of its proper divisors (2292124).

2521244 is a wasteful number, since it uses less digits than its factorization.

2521244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57316 (or 57314 counting only the distinct ones).

The product of its digits is 640, while the sum is 20.

The square root of 2521244 is about 1587.8425614651. The cubic root of 2521244 is about 136.1042309386.

Adding to 2521244 its reverse (4421252), we get a palindrome (6942496).

The spelling of 2521244 in words is "two million, five hundred twenty-one thousand, two hundred forty-four".