4544539 has 2 divisors, whose sum is σ = 4544540. Its totient is φ = 4544538.

The previous prime is 4544513. The next prime is 4544549. The reversal of 4544539 is 9354454.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4544539 - 2⁷ = 4544411 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (4544509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2272269 + 2272270.

It is an arithmetic number, because the mean of its divisors is an integer number (2272270).

Almost surely, 2^4544539 is an apocalyptic number.

4544539 is a deficient number, since it is larger than the sum of its proper divisors (1).

4544539 is an equidigital number, since it uses as much as digits as its factorization.

4544539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 34.

The square root of 4544539 is about 2131.7924383016. The cubic root of 4544539 is about 165.6392587226.

The spelling of 4544539 in words is "four million, five hundred forty-four thousand, five hundred thirty-nine".