3548161 has 2 divisors, whose sum is σ = 3548162. Its totient is φ = 3548160.

The previous prime is 3548159. The next prime is 3548173. The reversal of 3548161 is 1618453.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3538161 + 10000 = 1881^2 + 100^2 .

It is an emirp because it is prime and its reverse (1618453) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3548161 - 2¹ = 3548159 is a prime.

Together with 3548159, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3548101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1774080 + 1774081.

It is an arithmetic number, because the mean of its divisors is an integer number (1774081).

Almost surely, 2^3548161 is an apocalyptic number.

It is an amenable number.

3548161 is a deficient number, since it is larger than the sum of its proper divisors (1).

3548161 is an equidigital number, since it uses as much as digits as its factorization.

3548161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 28.

The square root of 3548161 is about 1883.6562849947. The cubic root of 3548161 is about 152.5226840752.

It can be divided in two parts, 354 and 8161, that added together give a triangular number (8515 = T₁₃₀).

The spelling of 3548161 in words is "three million, five hundred forty-eight thousand, one hundred sixty-one".