1051103549 has 2 divisors, whose sum is σ = 1051103550. Its totient is φ = 1051103548.

The previous prime is 1051103527. The next prime is 1051103551. The reversal of 1051103549 is 9453011501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 669877924 + 381225625 = 25882^2 + 19525^2 .

It is an emirp because it is prime and its reverse (9453011501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1051103549 - 2⁸ = 1051103293 is a prime.

It is a super-2 number, since 2×1051103549² = 2209637341440790802, which contains 22 as substring.

Together with 1051103551, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1051103569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525551774 + 525551775.

It is an arithmetic number, because the mean of its divisors is an integer number (525551775).

Almost surely, 2^1051103549 is an apocalyptic number.

It is an amenable number.

1051103549 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051103549 is an equidigital number, since it uses as much as digits as its factorization.

1051103549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 29.

The square root of 1051103549 is about 32420.7271510063. The cubic root of 1051103549 is about 1016.7523093430.

The spelling of 1051103549 in words is "one billion, fifty-one million, one hundred three thousand, five hundred forty-nine".