2251300225 has 12 divisors (see below), whose sum is σ = 2955825324. Its totient is φ = 1695096320.

The previous prime is 2251300199. The next prime is 2251300231. The reversal of 2251300225 is 5220031522.

It can be written as a sum of positive squares in 6 ways, for example, as 2359296 + 2248940929 = 1536^2 + 47423^2 .

It is not a de Polignac number, because 2251300225 - 2⁵ = 2251300193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2251300196 and 2251300205.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 2648164 + ... + 2649013.

It is an arithmetic number, because the mean of its divisors is an integer number (246318777).

Almost surely, 2^2251300225 is an apocalyptic number.

2251300225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2251300225 is a deficient number, since it is larger than the sum of its proper divisors (704525099).

2251300225 is a wasteful number, since it uses less digits than its factorization.

2251300225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5297204 (or 5297199 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 2251300225 is about 47447.8684979631. The cubic root of 2251300225 is about 1310.6230598679.

Adding to 2251300225 its reverse (5220031522), we get a palindrome (7471331747).

The spelling of 2251300225 in words is "two billion, two hundred fifty-one million, three hundred thousand, two hundred twenty-five".