25000027502525 has 12 divisors (see below), whose sum is σ = 31001650713792. Its totient is φ = 19998979027440.

The previous prime is 25000027502467. The next prime is 25000027502531. The reversal of 25000027502525 is 52520572000052.

It is not a de Polignac number, because 25000027502525 - 2⁸ = 25000027502269 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

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, 25585199 + ... + 26544348.

It is an arithmetic number, because the mean of its divisors is an integer number (2583470892816).

Almost surely, 2^{25000027502525} is an apocalyptic number.

25000027502525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25000027502525 is a deficient number, since it is larger than the sum of its proper divisors (6001623211267).

25000027502525 is a wasteful number, since it uses less digits than its factorization.

25000027502525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52148740 (or 52148735 counting only the distinct ones).

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

Adding to 25000027502525 its reverse (52520572000052), we get a palindrome (77520599502577).

The spelling of 25000027502525 in words is "twenty-five trillion, twenty-seven million, five hundred two thousand, five hundred twenty-five".