27525000025 has 12 divisors (see below), whose sum is σ = 34145956012. Its totient is φ = 22010351040.

The previous prime is 27525000011. The next prime is 27525000091. The reversal of 27525000025 is 52000052572.

It can be written as a sum of positive squares in 6 ways, for example, as 1026369369 + 26498630656 = 32037^2 + 162784^2 .

It is not a de Polignac number, because 27525000025 - 2⁵ = 27524999993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27524999957 and 27525000002.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 182754 + ... + 297403.

Almost surely, 2^27525000025 is an apocalyptic number.

27525000025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27525000025 is a deficient number, since it is larger than the sum of its proper divisors (6620955987).

27525000025 is a wasteful number, since it uses less digits than its factorization.

27525000025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482460 (or 482455 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 28.

Adding to 27525000025 its reverse (52000052572), we get a palindrome (79525052597).

The spelling of 27525000025 in words is "twenty-seven billion, five hundred twenty-five million, twenty-five", and thus it is an aban number.