25000803525 has 24 divisors (see below), whose sum is σ = 41358619744. Its totient is φ = 13326033600.

The previous prime is 25000803521. The next prime is 25000803533. The reversal of 25000803525 is 52530800052.

It is not a de Polignac number, because 25000803525 - 2² = 25000803521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25000803492 and 25000803501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25000803521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34842 + ... + 226308.

Almost surely, 2^25000803525 is an apocalyptic number.

25000803525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25000803525 is a deficient number, since it is larger than the sum of its proper divisors (16357816219).

25000803525 is a wasteful number, since it uses less digits than its factorization.

25000803525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193221 (or 193216 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 25000803525 in words is "twenty-five billion, eight hundred three thousand, five hundred twenty-five".