25250502803 has 4 divisors (see below), whose sum is σ = 25256740008. Its totient is φ = 25244265600.

The previous prime is 25250502787. The next prime is 25250502833. The reversal of 25250502803 is 30820505252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25250502803 - 2⁴ = 25250502787 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25250502803.

It is not an unprimeable number, because it can be changed into a prime (25250502833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3112526 + ... + 3120627.

It is an arithmetic number, because the mean of its divisors is an integer number (6314185002).

Almost surely, 2^25250502803 is an apocalyptic number.

25250502803 is a deficient number, since it is larger than the sum of its proper divisors (6237205).

25250502803 is an equidigital number, since it uses as much as digits as its factorization.

25250502803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6237204.

The product of its (nonzero) digits is 24000, while the sum is 32.

The spelling of 25250502803 in words is "twenty-five billion, two hundred fifty million, five hundred two thousand, eight hundred three".