4530538 has 4 divisors (see below), whose sum is σ = 6795810. Its totient is φ = 2265268.

The previous prime is 4530529. The next prime is 4530577. The reversal of 4530538 is 8350354.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8350354 = 2 ⋅4175177.

It can be written as a sum of positive squares in only one way, i.e., 4507129 + 23409 = 2123^2 + 153^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1132633 + ... + 1132636.

Almost surely, 2^4530538 is an apocalyptic number.

4530538 is a deficient number, since it is larger than the sum of its proper divisors (2265272).

4530538 is a wasteful number, since it uses less digits than its factorization.

4530538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2265271.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 4530538 is about 2128.5060488521. The cubic root of 4530538 is about 165.4689810219.

The spelling of 4530538 in words is "four million, five hundred thirty thousand, five hundred thirty-eight".