2453218 has 4 divisors (see below), whose sum is σ = 3679830. Its totient is φ = 1226608.

The previous prime is 2453207. The next prime is 2453233. The reversal of 2453218 is 8123542.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1447209 + 1006009 = 1203^2 + 1003^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2453192 and 2453201.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 613303 + ... + 613306.

2^2453218 is an apocalyptic number.

2453218 is a deficient number, since it is larger than the sum of its proper divisors (1226612).

2453218 is a wasteful number, since it uses less digits than its factorization.

2453218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226611.

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

The square root of 2453218 is about 1566.2751993184. The cubic root of 2453218 is about 134.8689720911.

The spelling of 2453218 in words is "two million, four hundred fifty-three thousand, two hundred eighteen".