25421268 has 24 divisors (see below), whose sum is σ = 59405472. Its totient is φ = 8461024.

The previous prime is 25421267. The next prime is 25421281. The reversal of 25421268 is 86212452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25421261) 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 7 ways as a sum of consecutive naturals, for example, 10246 + ... + 12482.

It is an arithmetic number, because the mean of its divisors is an integer number (2475228).

Almost surely, 2^25421268 is an apocalyptic number.

It is an amenable number.

25421268 is an abundant number, since it is smaller than the sum of its proper divisors (33984204).

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

25421268 is a wasteful number, since it uses less digits than its factorization.

25421268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3191 (or 3189 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

The square root of 25421268 is about 5041.9508129295. The cubic root of 25421268 is about 294.0350275264.

The spelling of 25421268 in words is "twenty-five million, four hundred twenty-one thousand, two hundred sixty-eight".