25032505025 has 12 divisors (see below), whose sum is σ = 33862152624. Its totient is φ = 18205458000.

The previous prime is 25032505013. The next prime is 25032505031. The reversal of 25032505025 is 52050523052.

It is not a de Polignac number, because 25032505025 - 2²⁰ = 25031456449 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45513371 + ... + 45513920.

It is an arithmetic number, because the mean of its divisors is an integer number (2821846052).

Almost surely, 2^25032505025 is an apocalyptic number.

25032505025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25032505025 is a deficient number, since it is larger than the sum of its proper divisors (8829647599).

25032505025 is a wasteful number, since it uses less digits than its factorization.

25032505025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91027312 (or 91027307 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 29.

The spelling of 25032505025 in words is "twenty-five billion, thirty-two million, five hundred five thousand, twenty-five".