25825783051 has 4 divisors (see below), whose sum is σ = 25832783704. Its totient is φ = 25818782400.

The previous prime is 25825783043. The next prime is 25825783063. The reversal of 25825783051 is 15038752852.

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 25825783051 - 2³ = 25825783043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25825782992 and 25825783010.

It is not an unprimeable number, because it can be changed into a prime (25825483051) 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, 3494790 + ... + 3502171.

It is an arithmetic number, because the mean of its divisors is an integer number (6458195926).

Almost surely, 2^25825783051 is an apocalyptic number.

25825783051 is a deficient number, since it is larger than the sum of its proper divisors (7000653).

25825783051 is an equidigital number, since it uses as much as digits as its factorization.

25825783051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7000652.

The product of its (nonzero) digits is 672000, while the sum is 46.

The spelling of 25825783051 in words is "twenty-five billion, eight hundred twenty-five million, seven hundred eighty-three thousand, fifty-one".