25032750252525 has 18 divisors (see below), whose sum is σ = 44836437119370. Its totient is φ = 13350800134560.

The previous prime is 25032750252409. The next prime is 25032750252583. The reversal of 25032750252525 is 52525205723052.

It is a happy number.

25032750252525 is a `hidden beast` number, since 2 + 5 + 0 + 3 + 2 + 75 + 0 + 2 + 52 + 525 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 7839876800484 + 17192873452041 = 2799978^2 + 4146429^2 .

It is not a de Polignac number, because 25032750252525 - 2³⁴ = 25015570383341 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

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 17 ways as a sum of consecutive naturals, for example, 55628333670 + ... + 55628334119.

Almost surely, 2^{25032750252525} is an apocalyptic number.

25032750252525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25032750252525 is a deficient number, since it is larger than the sum of its proper divisors (19803686866845).

25032750252525 is a wasteful number, since it uses less digits than its factorization.

25032750252525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111256667805 (or 111256667797 counting only the distinct ones).

The product of its (nonzero) digits is 2100000, while the sum is 45.

Adding to 25032750252525 its reverse (52525205723052), we get a palindrome (77557955975577).

The spelling of 25032750252525 in words is "twenty-five trillion, thirty-two billion, seven hundred fifty million, two hundred fifty-two thousand, five hundred twenty-five".