25252242422441 has 4 divisors (see below), whose sum is σ = 25728699826692. Its totient is φ = 24775785018192.

The previous prime is 25252242422383. The next prime is 25252242422479. The reversal of 25252242422441 is 14422424225252.

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 18862995354025 + 6389247068416 = 4343155^2 + 2527696^2 .

It is a cyclic number.

It is not a de Polignac number, because 25252242422441 - 2³⁴ = 25235062553257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25252242422941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238228702046 + ... + 238228702151.

It is an arithmetic number, because the mean of its divisors is an integer number (6432174956673).

Almost surely, 2^{25252242422441} is an apocalyptic number.

It is an amenable number.

25252242422441 is a deficient number, since it is larger than the sum of its proper divisors (476457404251).

25252242422441 is an equidigital number, since it uses as much as digits as its factorization.

25252242422441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476457404250.

The product of its digits is 819200, while the sum is 41.

Adding to 25252242422441 its reverse (14422424225252), we get a palindrome (39674666647693).

The spelling of 25252242422441 in words is "twenty-five trillion, two hundred fifty-two billion, two hundred forty-two million, four hundred twenty-two thousand, four hundred forty-one".