4549169 has 2 divisors, whose sum is σ = 4549170. Its totient is φ = 4549168.

The previous prime is 4549159. The next prime is 4549199. The reversal of 4549169 is 9619454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4355569 + 193600 = 2087^2 + 440^2 .

It is a cyclic number.

It is not a de Polignac number, because 4549169 - 2²⁰ = 3500593 is a prime.

It is a super-2 number, since 2×4549169² = 41389877181122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4549159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2274584 + 2274585.

It is an arithmetic number, because the mean of its divisors is an integer number (2274585).

Almost surely, 2^4549169 is an apocalyptic number.

It is an amenable number.

4549169 is a deficient number, since it is larger than the sum of its proper divisors (1).

4549169 is an equidigital number, since it uses as much as digits as its factorization.

4549169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 38.

The square root of 4549169 is about 2132.8781024709. The cubic root of 4549169 is about 165.6954910101.

The spelling of 4549169 in words is "four million, five hundred forty-nine thousand, one hundred sixty-nine".