18025208 has 16 divisors (see below), whose sum is σ = 34371000. Its totient is φ = 8859616.

The previous prime is 18025187. The next prime is 18025223. The reversal of 18025208 is 80252081.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 18623 + ... + 19566.

Almost surely, 2^18025208 is an apocalyptic number.

It is an amenable number.

18025208 is a deficient number, since it is larger than the sum of its proper divisors (16345792).

18025208 is a wasteful number, since it uses less digits than its factorization.

18025208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38254 (or 38250 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 18025208 is about 4245.6104390299. The cubic root of 18025208 is about 262.1964224460.

Adding to 18025208 its reverse (80252081), we get a palindrome (98277289).

The spelling of 18025208 in words is "eighteen million, twenty-five thousand, two hundred eight".