4506541 has 4 divisors (see below), whose sum is σ = 4853212. Its totient is φ = 4159872.

The previous prime is 4506539. The next prime is 4506569. The reversal of 4506541 is 1456054.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1456054 = 2 ⋅728027.

It can be written as a sum of positive squares in 2 ways, for example, as 1833316 + 2673225 = 1354^2 + 1635^2 .

It is a cyclic number.

It is not a de Polignac number, because 4506541 - 2¹ = 4506539 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4506511) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 173316 + ... + 173341.

It is an arithmetic number, because the mean of its divisors is an integer number (1213303).

Almost surely, 2^4506541 is an apocalyptic number.

It is an amenable number.

4506541 is a deficient number, since it is larger than the sum of its proper divisors (346671).

4506541 is a wasteful number, since it uses less digits than its factorization.

4506541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346670.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 4506541 is about 2122.8615122047. The cubic root of 4506541 is about 165.1763159632.

The spelling of 4506541 in words is "four million, five hundred six thousand, five hundred forty-one".