25827331225 has 6 divisors (see below), whose sum is σ = 32025890750. Its totient is φ = 20661864960.

The previous prime is 25827331207. The next prime is 25827331247. The reversal of 25827331225 is 52213372852.

It can be written as a sum of positive squares in 3 ways, for example, as 64192144 + 25763139081 = 8012^2 + 160509^2 .

It is not a de Polignac number, because 25827331225 - 2⁵ = 25827331193 is a prime.

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 5 ways as a sum of consecutive naturals, for example, 516546600 + ... + 516546649.

Almost surely, 2^25827331225 is an apocalyptic number.

25827331225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25827331225 is a deficient number, since it is larger than the sum of its proper divisors (6198559525).

25827331225 is a wasteful number, since it uses less digits than its factorization.

25827331225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033093259 (or 1033093254 counting only the distinct ones).

The product of its digits is 201600, while the sum is 40.

The spelling of 25827331225 in words is "twenty-five billion, eight hundred twenty-seven million, three hundred thirty-one thousand, two hundred twenty-five".