2144251025 has 18 divisors (see below), whose sum is σ = 3092974470. Its totient is φ = 1470342720.

The previous prime is 2144251019. The next prime is 2144251033. The reversal of 2144251025 is 5201524412.

It can be written as a sum of positive squares in 3 ways, for example, as 12397441 + 2131853584 = 3521^2 + 46172^2 .

It is not a de Polignac number, because 2144251025 - 2⁴ = 2144251009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2144250985 and 2144251003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 873980 + ... + 876429.

It is an arithmetic number, because the mean of its divisors is an integer number (171831915).

Almost surely, 2^2144251025 is an apocalyptic number.

2144251025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2144251025 is a deficient number, since it is larger than the sum of its proper divisors (948723445).

2144251025 is a wasteful number, since it uses less digits than its factorization.

2144251025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1750433 (or 1750421 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 2144251025 is about 46306.0581889670. The cubic root of 2144251025 is about 1289.5114679584.

Adding to 2144251025 its reverse (5201524412), we get a palindrome (7345775437).

The spelling of 2144251025 in words is "two billion, one hundred forty-four million, two hundred fifty-one thousand, twenty-five".