218025073 has 8 divisors (see below), whose sum is σ = 260005248. Its totient is φ = 178753344.

The previous prime is 218025037. The next prime is 218025079. The reversal of 218025073 is 370520812.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 218025073 - 2⁹ = 218024561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (218025079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 676936 + ... + 677257.

It is an arithmetic number, because the mean of its divisors is an integer number (32500656).

Almost surely, 2^218025073 is an apocalyptic number.

218025073 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

218025073 is a deficient number, since it is larger than the sum of its proper divisors (41980175).

218025073 is a wasteful number, since it uses less digits than its factorization.

218025073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1354223.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 218025073 is about 14765.6721147396. The cubic root of 218025073 is about 601.8692381265.

Adding to 218025073 its reverse (370520812), we get a palindrome (588545885).

The spelling of 218025073 in words is "two hundred eighteen million, twenty-five thousand, seventy-three".