4517538 has 16 divisors (see below), whose sum is σ = 9183936. Its totient is φ = 1481040.

The previous prime is 4517521. The next prime is 4517543. The reversal of 4517538 is 8357154.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4517499 and 4517508.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5806 + ... + 6537.

It is an arithmetic number, because the mean of its divisors is an integer number (573996).

Almost surely, 2^4517538 is an apocalyptic number.

4517538 is an abundant number, since it is smaller than the sum of its proper divisors (4666398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4517538 is a wasteful number, since it uses less digits than its factorization.

4517538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12409.

The product of its digits is 16800, while the sum is 33.

The square root of 4517538 is about 2125.4500699852. The cubic root of 4517538 is about 165.3105629339.

The spelling of 4517538 in words is "four million, five hundred seventeen thousand, five hundred thirty-eight".