25828730203 has 4 divisors (see below), whose sum is σ = 25829163640. Its totient is φ = 25828296768.

The previous prime is 25828730177. The next prime is 25828730219. The reversal of 25828730203 is 30203782852.

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 25828730203 - 2⁵ = 25828730171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25828730273) 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, 109725 + ... + 252382.

It is an arithmetic number, because the mean of its divisors is an integer number (6457290910).

Almost surely, 2^25828730203 is an apocalyptic number.

25828730203 is a deficient number, since it is larger than the sum of its proper divisors (433437).

25828730203 is an equidigital number, since it uses as much as digits as its factorization.

25828730203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433436.

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 25828730203 in words is "twenty-five billion, eight hundred twenty-eight million, seven hundred thirty thousand, two hundred three".