25458868 has 48 divisors (see below), whose sum is σ = 48580560. Its totient is φ = 11648000.

The previous prime is 25458863. The next prime is 25458869. The reversal of 25458868 is 86885452.

It can be written as a sum of positive squares in 8 ways, for example, as 478864 + 24980004 = 692^2 + 4998^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25458863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252018 + ... + 252118.

It is an arithmetic number, because the mean of its divisors is an integer number (1012095).

Almost surely, 2^25458868 is an apocalyptic number.

It is an amenable number.

25458868 is a deficient number, since it is larger than the sum of its proper divisors (23121692).

25458868 is a wasteful number, since it uses less digits than its factorization.

25458868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228 (or 226 counting only the distinct ones).

The product of its digits is 614400, while the sum is 46.

The square root of 25458868 is about 5045.6781506553. The cubic root of 25458868 is about 294.1799228788.

The spelling of 25458868 in words is "twenty-five million, four hundred fifty-eight thousand, eight hundred sixty-eight".