25000250002525 has 36 divisors (see below), whose sum is σ = 38182854849588. Its totient is φ = 16134615114240.

The previous prime is 25000250002517. The next prime is 25000250002529. The reversal of 25000250002525 is 52520005200052.

It can be written as a sum of positive squares in 6 ways, for example, as 2955600502596 + 22044649499929 = 1719186^2 + 4695173^2 .

It is not a de Polignac number, because 25000250002525 - 2³ = 25000250002517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25000250002493 and 25000250002502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25000250002529) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 600225274 + ... + 600266923.

It is an arithmetic number, because the mean of its divisors is an integer number (1060634856933).

Almost surely, 2^{25000250002525} is an apocalyptic number.

25000250002525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25000250002525 is a deficient number, since it is larger than the sum of its proper divisors (13182604847063).

25000250002525 is a wasteful number, since it uses less digits than its factorization.

25000250002525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1200492238 (or 1200492226 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 28.

Adding to 25000250002525 its reverse (52520005200052), we get a palindrome (77520255202577).

The spelling of 25000250002525 in words is "twenty-five trillion, two hundred fifty million, two thousand, five hundred twenty-five".