25650545133 has 4 divisors (see below), whose sum is σ = 34200726848. Its totient is φ = 17100363420.

The previous prime is 25650545117. The next prime is 25650545143. The reversal of 25650545133 is 33154505652.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 25650545133 - 2⁴ = 25650545117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25650545091 and 25650545100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25650545143) 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 3 ways as a sum of consecutive naturals, for example, 4275090853 + ... + 4275090858.

It is an arithmetic number, because the mean of its divisors is an integer number (8550181712).

Almost surely, 2^25650545133 is an apocalyptic number.

It is an amenable number.

25650545133 is a deficient number, since it is larger than the sum of its proper divisors (8550181715).

25650545133 is an equidigital number, since it uses as much as digits as its factorization.

25650545133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8550181714.

The product of its (nonzero) digits is 270000, while the sum is 39.

The spelling of 25650545133 in words is "twenty-five billion, six hundred fifty million, five hundred forty-five thousand, one hundred thirty-three".