4859549 has 2 divisors, whose sum is σ = 4859550. Its totient is φ = 4859548.

The previous prime is 4859539. The next prime is 4859551. The reversal of 4859549 is 9459584.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3928324 + 931225 = 1982^2 + 965^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4859549 is a prime.

Together with 4859551, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4859539) 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 as a sum of consecutive naturals, namely, 2429774 + 2429775.

It is an arithmetic number, because the mean of its divisors is an integer number (2429775).

Almost surely, 2^4859549 is an apocalyptic number.

It is an amenable number.

4859549 is a deficient number, since it is larger than the sum of its proper divisors (1).

4859549 is an equidigital number, since it uses as much as digits as its factorization.

4859549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 259200, while the sum is 44.

The square root of 4859549 is about 2204.4384772545. The cubic root of 4859549 is about 169.3812454408.

The spelling of 4859549 in words is "four million, eight hundred fifty-nine thousand, five hundred forty-nine".