25250308772 has 12 divisors (see below), whose sum is σ = 47587120476. Its totient is φ = 11653988640.

The previous prime is 25250308771. The next prime is 25250308789. The reversal of 25250308772 is 27780305252.

It can be written as a sum of positive squares in 2 ways, for example, as 16328750656 + 8921558116 = 127784^2 + 94454^2 .

It is not an unprimeable number, because it can be changed into a prime (25250308771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242791379 + ... + 242791482.

It is an arithmetic number, because the mean of its divisors is an integer number (3965593373).

Almost surely, 2^25250308772 is an apocalyptic number.

It is an amenable number.

25250308772 is a deficient number, since it is larger than the sum of its proper divisors (22336811704).

25250308772 is a wasteful number, since it uses less digits than its factorization.

25250308772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485582878 (or 485582876 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 41.

The spelling of 25250308772 in words is "twenty-five billion, two hundred fifty million, three hundred eight thousand, seven hundred seventy-two".