18064250 has 32 divisors (see below), whose sum is σ = 35605440. Its totient is φ = 6843600.

The previous prime is 18064247. The next prime is 18064253. The reversal of 18064250 is 5246081.

It is an interprime number because it is at equal distance from previous prime (18064247) and next prime (18064253).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (18064253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2849 + ... + 6651.

It is an arithmetic number, because the mean of its divisors is an integer number (1112670).

Almost surely, 2^18064250 is an apocalyptic number.

18064250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18064250 is a deficient number, since it is larger than the sum of its proper divisors (17541190).

18064250 is a wasteful number, since it uses less digits than its factorization.

18064250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3839 (or 3829 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 18064250 is about 4250.2058773664. The cubic root of 18064250 is about 262.3855888408.

The spelling of 18064250 in words is "eighteen million, sixty-four thousand, two hundred fifty".