18350925 has 24 divisors (see below), whose sum is σ = 30477216. Its totient is φ = 9743040.

The previous prime is 18350921. The next prime is 18350951. The reversal of 18350925 is 52905381.

It is not a de Polignac number, because 18350925 - 2² = 18350921 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18350921) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22627 + ... + 23423.

It is an arithmetic number, because the mean of its divisors is an integer number (1269884).

Almost surely, 2^18350925 is an apocalyptic number.

18350925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18350925 is a deficient number, since it is larger than the sum of its proper divisors (12126291).

18350925 is a wasteful number, since it uses less digits than its factorization.

18350925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117 (or 1112 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 18350925 is about 4283.7979644236. The cubic root of 18350925 is about 263.7663077748.

The spelling of 18350925 in words is "eighteen million, three hundred fifty thousand, nine hundred twenty-five".