25425773225605 has 8 divisors (see below), whose sum is σ = 30510990110232. Its totient is φ = 20340577087488.

The previous prime is 25425773225603. The next prime is 25425773225609. The reversal of 25425773225605 is 50652237752452.

It can be written as a sum of positive squares in 4 ways, for example, as 698952849156 + 24726820376449 = 836034^2 + 4972607^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25425773225605 - 2¹ = 25425773225603 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25425773225603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2349324 + ... + 7508053.

It is an arithmetic number, because the mean of its divisors is an integer number (3813873763779).

Almost surely, 2^{25425773225605} is an apocalyptic number.

It is an amenable number.

25425773225605 is a deficient number, since it is larger than the sum of its proper divisors (5085216884627).

25425773225605 is an equidigital number, since it uses as much as digits as its factorization.

25425773225605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10373255.

The product of its (nonzero) digits is 35280000, while the sum is 55.

The spelling of 25425773225605 in words is "twenty-five trillion, four hundred twenty-five billion, seven hundred seventy-three million, two hundred twenty-five thousand, six hundred five".