25002750025025 has 6 divisors (see below), whose sum is σ = 31003410031062. Its totient is φ = 20002200020000.

The previous prime is 25002750025021. The next prime is 25002750025031. The reversal of 25002750025025 is 52052005720052.

25002750025025 is digitally balanced in base 6, 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 3 ways, for example, as 2836516166416 + 22166233858609 = 1684196^2 + 4708103^2 .

It is not a de Polignac number, because 25002750025025 - 2² = 25002750025021 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25002750025021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 500055000476 + ... + 500055000525.

It is an arithmetic number, because the mean of its divisors is an integer number (5167235005177).

Almost surely, 2^{25002750025025} is an apocalyptic number.

25002750025025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25002750025025 is a deficient number, since it is larger than the sum of its proper divisors (6000660006037).

25002750025025 is a wasteful number, since it uses less digits than its factorization.

25002750025025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000110001011 (or 1000110001006 counting only the distinct ones).

The product of its (nonzero) digits is 70000, while the sum is 35.

Adding to 25002750025025 its reverse (52052005720052), we get a palindrome (77054755745077).

The spelling of 25002750025025 in words is "twenty-five trillion, two billion, seven hundred fifty million, twenty-five thousand, twenty-five".