2544225 has 12 divisors (see below), whose sum is σ = 4206576. Its totient is φ = 1356880.

The previous prime is 2544221. The next prime is 2544229. The reversal of 2544225 is 5224452.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2544221) and next prime (2544229).

It is not a de Polignac number, because 2544225 - 2² = 2544221 is a prime.

2544225 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2544195 and 2544204.

It is not an unprimeable number, because it can be changed into a prime (2544221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16887 + ... + 17036.

It is an arithmetic number, because the mean of its divisors is an integer number (350548).

2^2544225 is an apocalyptic number.

2544225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2544225 is a deficient number, since it is larger than the sum of its proper divisors (1662351).

2544225 is a wasteful number, since it uses less digits than its factorization.

2544225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33936 (or 33931 counting only the distinct ones).

The product of its digits is 3200, while the sum is 24.

The square root of 2544225 is about 1595.0626946926. The cubic root of 2544225 is about 136.5165083551.

Adding to 2544225 its reverse (5224452), we get a palindrome (7768677).

The spelling of 2544225 in words is "two million, five hundred forty-four thousand, two hundred twenty-five".