4533538 has 4 divisors (see below), whose sum is σ = 6800310. Its totient is φ = 2266768.

The previous prime is 4533527. The next prime is 4533547. The reversal of 4533538 is 8353354.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8353354 = 2 ⋅4176677.

It can be written as a sum of positive squares in only one way, i.e., 4524129 + 9409 = 2127^2 + 97^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1133383 + ... + 1133386.

Almost surely, 2^4533538 is an apocalyptic number.

4533538 is a deficient number, since it is larger than the sum of its proper divisors (2266772).

4533538 is a wasteful number, since it uses less digits than its factorization.

4533538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2266771.

The product of its digits is 21600, while the sum is 31.

The square root of 4533538 is about 2129.2106518614. The cubic root of 4533538 is about 165.5054959947.

The spelling of 4533538 in words is "four million, five hundred thirty-three thousand, five hundred thirty-eight".