1103048549 has 2 divisors, whose sum is σ = 1103048550. Its totient is φ = 1103048548.

The previous prime is 1103048509. The next prime is 1103048627. The reversal of 1103048549 is 9458403011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1069617025 + 33431524 = 32705^2 + 5782^2 .

It is a cyclic number.

It is not a de Polignac number, because 1103048549 - 2²⁰ = 1101999973 is a prime.

It is a super-2 number, since 2×1103048549² = 2433432202902010802, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1103048509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551524274 + 551524275.

It is an arithmetic number, because the mean of its divisors is an integer number (551524275).

Almost surely, 2^1103048549 is an apocalyptic number.

It is an amenable number.

1103048549 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103048549 is an equidigital number, since it uses as much as digits as its factorization.

1103048549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 1103048549 is about 33212.1747104883. The cubic root of 1103048549 is about 1033.2328590365.

The spelling of 1103048549 in words is "one billion, one hundred three million, forty-eight thousand, five hundred forty-nine".