25674385 has 12 divisors (see below), whose sum is σ = 33865524. Its totient is φ = 18671840.

The previous prime is 25674353. The next prime is 25674401. The reversal of 25674385 is 58347652.

It can be written as a sum of positive squares in 2 ways, for example, as 20439441 + 5234944 = 4521^2 + 2288^2 .

It is not a de Polignac number, because 25674385 - 2⁵ = 25674353 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 20614 + ... + 21823.

It is an arithmetic number, because the mean of its divisors is an integer number (2822127).

Almost surely, 2^25674385 is an apocalyptic number.

It is an amenable number.

25674385 is a deficient number, since it is larger than the sum of its proper divisors (8191139).

25674385 is a wasteful number, since it uses less digits than its factorization.

25674385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42464 (or 42453 counting only the distinct ones).

The product of its digits is 201600, while the sum is 40.

The square root of 25674385 is about 5066.9897375069. The cubic root of 25674385 is about 295.0076987362.

The spelling of 25674385 in words is "twenty-five million, six hundred seventy-four thousand, three hundred eighty-five".