25268678 has 4 divisors (see below), whose sum is σ = 37903020. Its totient is φ = 12634338.

The previous prime is 25268641. The next prime is 25268693. The reversal of 25268678 is 87686252.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6317168 + ... + 6317171.

It is an arithmetic number, because the mean of its divisors is an integer number (9475755).

Almost surely, 2^25268678 is an apocalyptic number.

25268678 is a deficient number, since it is larger than the sum of its proper divisors (12634342).

25268678 is a wasteful number, since it uses less digits than its factorization.

25268678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12634341.

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

The square root of 25268678 is about 5026.7959974521. The cubic root of 25268678 is about 293.4455358754.

The spelling of 25268678 in words is "twenty-five million, two hundred sixty-eight thousand, six hundred seventy-eight".