4251888904225 has 12 divisors (see below), whose sum is σ = 5285490239340. Its totient is φ = 3393028544000.

The previous prime is 4251888904223. The next prime is 4251888904231. The reversal of 4251888904225 is 5224098881524.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 666202028944 + 3585686875281 = 816212^2 + 1893591^2 .

It is not a de Polignac number, because 4251888904225 - 2¹ = 4251888904223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4251888904225.

It is not an unprimeable number, because it can be changed into a prime (4251888904223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 212054260 + ... + 212074309.

It is an arithmetic number, because the mean of its divisors is an integer number (440457519945).

Almost surely, 2^{4251888904225} is an apocalyptic number.

It is an amenable number.

4251888904225 is a deficient number, since it is larger than the sum of its proper divisors (1033601335115).

4251888904225 is a wasteful number, since it uses less digits than its factorization.

4251888904225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424128980 (or 424128975 counting only the distinct ones).

The product of its (nonzero) digits is 14745600, while the sum is 58.

The spelling of 4251888904225 in words is "four trillion, two hundred fifty-one billion, eight hundred eighty-eight million, nine hundred four thousand, two hundred twenty-five".