2544065225 has 12 divisors (see below), whose sum is σ = 3397305996. Its totient is φ = 1878694080.

The previous prime is 2544065219. The next prime is 2544065231. The reversal of 2544065225 is 5225604452.

It is an interprime number because it is at equal distance from previous prime (2544065219) and next prime (2544065231).

It can be written as a sum of positive squares in 6 ways, for example, as 79637776 + 2464427449 = 8924^2 + 49643^2 .

It is not a de Polignac number, because 2544065225 - 2¹² = 2544061129 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3913622 + ... + 3914271.

It is an arithmetic number, because the mean of its divisors is an integer number (283108833).

Almost surely, 2^2544065225 is an apocalyptic number.

2544065225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2544065225 is a deficient number, since it is larger than the sum of its proper divisors (853240771).

2544065225 is a wasteful number, since it uses less digits than its factorization.

2544065225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7827916 (or 7827911 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

The square root of 2544065225 is about 50438.7274324006. The cubic root of 2544065225 is about 1365.1365059135.

Adding to 2544065225 its reverse (5225604452), we get a palindrome (7769669677).

The spelling of 2544065225 in words is "two billion, five hundred forty-four million, sixty-five thousand, two hundred twenty-five".