2551441225 has 12 divisors (see below), whose sum is σ = 3172280716. Its totient is φ = 2035673280.

The previous prime is 2551441219. The next prime is 2551441247. The reversal of 2551441225 is 5221441552.

It can be written as a sum of positive squares in 6 ways, for example, as 383161 + 2551058064 = 619^2 + 50508^2 .

It is not a de Polignac number, because 2551441225 - 2⁹ = 2551440713 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127482 + ... + 146131.

Almost surely, 2^2551441225 is an apocalyptic number.

2551441225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2551441225 is a deficient number, since it is larger than the sum of its proper divisors (620839491).

2551441225 is a wasteful number, since it uses less digits than its factorization.

2551441225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273996 (or 273991 counting only the distinct ones).

The product of its digits is 16000, while the sum is 31.

The square root of 2551441225 is about 50511.7929299683. The cubic root of 2551441225 is about 1366.4545448757.

Adding to 2551441225 its reverse (5221441552), we get a palindrome (7772882777).

The spelling of 2551441225 in words is "two billion, five hundred fifty-one million, four hundred forty-one thousand, two hundred twenty-five".