1043149553 has 2 divisors, whose sum is σ = 1043149554. Its totient is φ = 1043149552.

The previous prime is 1043149501. The next prime is 1043149579. The reversal of 1043149553 is 3559413401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1037612944 + 5536609 = 32212^2 + 2353^2 .

It is a cyclic number.

It is not a de Polignac number, because 1043149553 - 2⁶ = 1043149489 is a prime.

It is not a weakly prime, because it can be changed into another prime (1043149853) 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, 521574776 + 521574777.

It is an arithmetic number, because the mean of its divisors is an integer number (521574777).

Almost surely, 2^1043149553 is an apocalyptic number.

It is an amenable number.

1043149553 is a deficient number, since it is larger than the sum of its proper divisors (1).

1043149553 is an equidigital number, since it uses as much as digits as its factorization.

1043149553 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 1043149553 is about 32297.8258246588. The cubic root of 1043149553 is about 1014.1811292765.

The spelling of 1043149553 in words is "one billion, forty-three million, one hundred forty-nine thousand, five hundred fifty-three".