25685274 has 8 divisors (see below), whose sum is σ = 51370560. Its totient is φ = 8561756.

The previous prime is 25685203. The next prime is 25685279. The reversal of 25685274 is 47258652.

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

25685274 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (25685279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2140434 + ... + 2140445.

It is an arithmetic number, because the mean of its divisors is an integer number (6421320).

Almost surely, 2^25685274 is an apocalyptic number.

25685274 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.

25685274 is a wasteful number, since it uses less digits than its factorization.

25685274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4280884.

The product of its digits is 134400, while the sum is 39.

The square root of 25685274 is about 5068.0641274554. The cubic root of 25685274 is about 295.0493989859.

The spelling of 25685274 in words is "twenty-five million, six hundred eighty-five thousand, two hundred seventy-four".