4540559 has 6 divisors (see below), whose sum is σ = 4703400. Its totient is φ = 4383176.

The previous prime is 4540541. The next prime is 4540573. The reversal of 4540559 is 9550454.

It is a happy number.

It is not a de Polignac number, because 4540559 - 2⁸ = 4540303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4540579) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1859 + ... + 3540.

It is an arithmetic number, because the mean of its divisors is an integer number (783900).

Almost surely, 2^4540559 is an apocalyptic number.

4540559 is a deficient number, since it is larger than the sum of its proper divisors (162841).

4540559 is an equidigital number, since it uses as much as digits as its factorization.

4540559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5457 (or 5428 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 4540559 is about 2130.8587470783. The cubic root of 4540559 is about 165.5908902820.

Adding to 4540559 its sum of digits (32), we get a triangular number (4540591 = T₃₀₁₃).

It can be divided in two parts, 45 and 40559, that added together give a palindrome (40604).

The spelling of 4540559 in words is "four million, five hundred forty thousand, five hundred fifty-nine".