4253218 has 8 divisors (see below), whose sum is σ = 6515712. Its totient is φ = 2081316.

The previous prime is 4253209. The next prime is 4253233. The reversal of 4253218 is 8123524.

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

It is a junction number, because it is equal to n+sod(n) for n = 4253192 and 4253201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22530 + ... + 22717.

It is an arithmetic number, because the mean of its divisors is an integer number (814464).

Almost surely, 2^4253218 is an apocalyptic number.

4253218 is a deficient number, since it is larger than the sum of its proper divisors (2262494).

4253218 is a wasteful number, since it uses less digits than its factorization.

4253218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45296.

The product of its digits is 1920, while the sum is 25.

The square root of 4253218 is about 2062.3331447659. Note that the first 3 decimals coincide. The cubic root of 4253218 is about 162.0214623803.

The spelling of 4253218 in words is "four million, two hundred fifty-three thousand, two hundred eighteen".