453218 has 4 divisors (see below), whose sum is σ = 679830. Its totient is φ = 226608.

The previous prime is 453217. The next prime is 453227. The reversal of 453218 is 812354.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 812354 = 2 ⋅406177.

It can be written as a sum of positive squares in only one way, i.e., 452929 + 289 = 673^2 + 17^2 .

It is a junction number, because it is equal to n+sod(n) for n = 453193 and 453202.

It is not an unprimeable number, because it can be changed into a prime (453217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113303 + ... + 113306.

2⁴⁵³²¹⁸ is an apocalyptic number.

453218 is a deficient number, since it is larger than the sum of its proper divisors (226612).

453218 is a wasteful number, since it uses less digits than its factorization.

453218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226611.

The product of its digits is 960, while the sum is 23.

The square root of 453218 is about 673.2146760135. The cubic root of 453218 is about 76.8131750039.

The spelling of 453218 in words is "four hundred fifty-three thousand, two hundred eighteen".