1549049 has 2 divisors, whose sum is σ = 1549050. Its totient is φ = 1549048.

The previous prime is 1549033. The next prime is 1549061. The reversal of 1549049 is 9409451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1537600 + 11449 = 1240^2 + 107^2 .

It is an emirp because it is prime and its reverse (9409451) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1549049 - 2⁴ = 1549033 is a prime.

It is equal to p₁₁₇₅₉₉ and since 1549049 and 117599 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (1549099) 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, 774524 + 774525.

It is an arithmetic number, because the mean of its divisors is an integer number (774525).

2^1549049 is an apocalyptic number.

It is an amenable number.

1549049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1549049 is an equidigital number, since it uses as much as digits as its factorization.

1549049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 1549049 is about 1244.6079704067. The cubic root of 1549049 is about 115.7057793444.

The spelling of 1549049 in words is "one million, five hundred forty-nine thousand, forty-nine".