25261422 has 32 divisors (see below), whose sum is σ = 53851392. Its totient is φ = 7872384.

The previous prime is 25261421. The next prime is 25261427. The reversal of 25261422 is 22416252.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 25261392 and 25261401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25261421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16293 + ... + 17775.

It is an arithmetic number, because the mean of its divisors is an integer number (1682856).

Almost surely, 2^25261422 is an apocalyptic number.

25261422 is an abundant number, since it is smaller than the sum of its proper divisors (28589970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25261422 is a wasteful number, since it uses less digits than its factorization.

25261422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1672.

The product of its digits is 1920, while the sum is 24.

The square root of 25261422 is about 5026.0742135388. The cubic root of 25261422 is about 293.4174451743.

Adding to 25261422 its reverse (22416252), we get a palindrome (47677674).

The spelling of 25261422 in words is "twenty-five million, two hundred sixty-one thousand, four hundred twenty-two".