1043315549 has 2 divisors, whose sum is σ = 1043315550. Its totient is φ = 1043315548.

The previous prime is 1043315521. The next prime is 1043315563. The reversal of 1043315549 is 9455133401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 871312324 + 172003225 = 29518^2 + 13115^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1043315549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1043315599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521657774 + 521657775.

It is an arithmetic number, because the mean of its divisors is an integer number (521657775).

Almost surely, 2^1043315549 is an apocalyptic number.

It is an amenable number.

1043315549 is a deficient number, since it is larger than the sum of its proper divisors (1).

1043315549 is an equidigital number, since it uses as much as digits as its factorization.

1043315549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 1043315549 is about 32300.3954929348. The cubic root of 1043315549 is about 1014.2349218451.

The spelling of 1043315549 in words is "one billion, forty-three million, three hundred fifteen thousand, five hundred forty-nine".