25675278 has 8 divisors (see below), whose sum is σ = 51350568. Its totient is φ = 8558424.

The previous prime is 25675261. The next prime is 25675313. The reversal of 25675278 is 87257652.

It is a sphenic number, since it is the product of 3 distinct primes.

25675278 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2139601 + ... + 2139612.

It is an arithmetic number, because the mean of its divisors is an integer number (6418821).

Almost surely, 2^25675278 is an apocalyptic number.

25675278 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

25675278 is a wasteful number, since it uses less digits than its factorization.

25675278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4279218.

The product of its digits is 235200, while the sum is 42.

The square root of 25675278 is about 5067.0778561218. The cubic root of 25675278 is about 295.0111189910.

The spelling of 25675278 in words is "twenty-five million, six hundred seventy-five thousand, two hundred seventy-eight".