25052528025025 has 24 divisors (see below), whose sum is σ = 32207919867000. Its totient is φ = 19307820134400.

The previous prime is 25052528024911. The next prime is 25052528025097. The reversal of 25052528025025 is 52052082525052.

It can be written as a sum of positive squares in 12 ways, for example, as 2707025252416 + 22345502772609 = 1645304^2 + 4727103^2 .

It is not a de Polignac number, because 25052528025025 - 2³¹ = 25050380541377 is a prime.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 38154666 + ... + 38805715.

It is an arithmetic number, because the mean of its divisors is an integer number (1341996661125).

Almost surely, 2^{25052528025025} is an apocalyptic number.

25052528025025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25052528025025 is a deficient number, since it is larger than the sum of its proper divisors (7155391841975).

25052528025025 is a wasteful number, since it uses less digits than its factorization.

25052528025025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76960869 (or 76960864 counting only the distinct ones).

The product of its (nonzero) digits is 800000, while the sum is 43.

The spelling of 25052528025025 in words is "twenty-five trillion, fifty-two billion, five hundred twenty-eight million, twenty-five thousand, twenty-five".