4540033 has 4 divisors (see below), whose sum is σ = 4625748. Its totient is φ = 4454320.

The previous prime is 4540027. The next prime is 4540049. The reversal of 4540033 is 3300454.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1557504 + 2982529 = 1248^2 + 1727^2 .

It is a cyclic number.

It is not a de Polignac number, because 4540033 - 2¹³ = 4531841 is a prime.

It is a super-2 number, since 2×4540033² = 41223799282178, which contains 22 as substring.

It is a Duffinian number.

4540033 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4540013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42778 + ... + 42883.

It is an arithmetic number, because the mean of its divisors is an integer number (1156437).

Almost surely, 2^4540033 is an apocalyptic number.

It is an amenable number.

4540033 is a deficient number, since it is larger than the sum of its proper divisors (85715).

4540033 is an equidigital number, since it uses as much as digits as its factorization.

4540033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85714.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 4540033 is about 2130.7353190859. The cubic root of 4540033 is about 165.5844957557.

Adding to 4540033 its reverse (3300454), we get a palindrome (7840487).

The spelling of 4540033 in words is "four million, five hundred forty thousand, thirty-three".