25325750105 has 4 divisors (see below), whose sum is σ = 30390900132. Its totient is φ = 20260600080.

The previous prime is 25325750069. The next prime is 25325750117. The reversal of 25325750105 is 50105752352.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 13702107136 + 11623642969 = 117056^2 + 107813^2 .

It is not a de Polignac number, because 25325750105 - 2¹² = 25325746009 is a prime.

It is a super-2 number, since 2×25325750105² (a number of 22 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 2532575006 + ... + 2532575015.

It is an arithmetic number, because the mean of its divisors is an integer number (7597725033).

Almost surely, 2^25325750105 is an apocalyptic number.

It is an amenable number.

25325750105 is a deficient number, since it is larger than the sum of its proper divisors (5065150027).

25325750105 is an equidigital number, since it uses as much as digits as its factorization.

25325750105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5065150026.

The product of its (nonzero) digits is 52500, while the sum is 35.

The spelling of 25325750105 in words is "twenty-five billion, three hundred twenty-five million, seven hundred fifty thousand, one hundred five".