4518242 has 4 divisors (see below), whose sum is σ = 6777366. Its totient is φ = 2259120.

The previous prime is 4518233. The next prime is 4518253. The reversal of 4518242 is 2428154.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2428154 = 2 ⋅1214077.

It can be written as a sum of positive squares in only one way, i.e., 3243601 + 1274641 = 1801^2 + 1129^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1129559 + ... + 1129562.

Almost surely, 2^4518242 is an apocalyptic number.

4518242 is a deficient number, since it is larger than the sum of its proper divisors (2259124).

4518242 is a wasteful number, since it uses less digits than its factorization.

4518242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2259123.

The product of its digits is 2560, while the sum is 26.

The square root of 4518242 is about 2125.6156755162. The cubic root of 4518242 is about 165.3191496605.

The spelling of 4518242 in words is "four million, five hundred eighteen thousand, two hundred forty-two".