2144525 has 6 divisors (see below), whose sum is σ = 2659242. Its totient is φ = 1715600.

The previous prime is 2144509. The next prime is 2144537. The reversal of 2144525 is 5254412.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 498436 + 1646089 = 706^2 + 1283^2 .

It is not a de Polignac number, because 2144525 - 2⁴ = 2144509 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 2144525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42866 + ... + 42915.

It is an arithmetic number, because the mean of its divisors is an integer number (443207).

2^2144525 is an apocalyptic number.

2144525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2144525 is a deficient number, since it is larger than the sum of its proper divisors (514717).

2144525 is an equidigital number, since it uses as much as digits as its factorization.

2144525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85791 (or 85786 counting only the distinct ones).

The product of its digits is 1600, while the sum is 23.

The square root of 2144525 is about 1464.4196802829. The cubic root of 2144525 is about 128.9566386724.

Adding to 2144525 its reverse (5254412), we get a palindrome (7398937).

The spelling of 2144525 in words is "two million, one hundred forty-four thousand, five hundred twenty-five".