9994425025 has 12 divisors (see below), whose sum is σ = 13346401852. Its totient is φ = 7380498240.

The previous prime is 9994424977. The next prime is 9994425031. The reversal of 9994425025 is 5205244999.

9994425025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 3787663936 + 6206761089 = 61544^2 + 78783^2 .

It is not a de Polignac number, because 9994425025 - 2⁹ = 9994424513 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9994425025.

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, 15375714 + ... + 15376363.

Almost surely, 2^9994425025 is an apocalyptic number.

It is an amenable number.

9994425025 is a deficient number, since it is larger than the sum of its proper divisors (3351976827).

9994425025 is a wasteful number, since it uses less digits than its factorization.

9994425025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30752100 (or 30752095 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 49.

The square root of 9994425025 is about 99972.1212388734. The cubic root of 9994425025 is about 2154.0342516237.

The spelling of 9994425025 in words is "nine billion, nine hundred ninety-four million, four hundred twenty-five thousand, twenty-five".