25678268 has 48 divisors (see below), whose sum is σ = 56415744. Its totient is φ = 9935040.

The previous prime is 25678249. The next prime is 25678297. The reversal of 25678268 is 86287652.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80846 + ... + 81162.

It is an arithmetic number, because the mean of its divisors is an integer number (1175328).

Almost surely, 2^25678268 is an apocalyptic number.

25678268 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25678268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28207872).

25678268 is an abundant number, since it is smaller than the sum of its proper divisors (30737476).

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

25678268 is a wasteful number, since it uses less digits than its factorization.

25678268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602 (or 600 counting only the distinct ones).

The product of its digits is 322560, while the sum is 44.

The square root of 25678268 is about 5067.3728893777. The cubic root of 25678268 is about 295.0225703309.

The spelling of 25678268 in words is "twenty-five million, six hundred seventy-eight thousand, two hundred sixty-eight".