4561849 has 2 divisors, whose sum is σ = 4561850. Its totient is φ = 4561848.

The previous prime is 4561807. The next prime is 4561853. The reversal of 4561849 is 9481654.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2890000 + 1671849 = 1700^2 + 1293^2 .

It is a cyclic number.

It is not a de Polignac number, because 4561849 - 2¹⁵ = 4529081 is a prime.

It is not a weakly prime, because it can be changed into another prime (4561859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2280924 + 2280925.

It is an arithmetic number, because the mean of its divisors is an integer number (2280925).

Almost surely, 2^4561849 is an apocalyptic number.

It is an amenable number.

4561849 is a deficient number, since it is larger than the sum of its proper divisors (1).

4561849 is an equidigital number, since it uses as much as digits as its factorization.

4561849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 37.

The square root of 4561849 is about 2135.8485433195. The cubic root of 4561849 is about 165.8492971061.

The spelling of 4561849 in words is "four million, five hundred sixty-one thousand, eight hundred forty-nine".