1283080889 has 2 divisors, whose sum is σ = 1283080890. Its totient is φ = 1283080888.

The previous prime is 1283080861. The next prime is 1283080907. The reversal of 1283080889 is 9880803821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 890724025 + 392356864 = 29845^2 + 19808^2 .

It is a cyclic number.

It is not a de Polignac number, because 1283080889 - 2²⁰ = 1282032313 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1283080859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641540444 + 641540445.

It is an arithmetic number, because the mean of its divisors is an integer number (641540445).

Almost surely, 2^1283080889 is an apocalyptic number.

It is an amenable number.

1283080889 is a deficient number, since it is larger than the sum of its proper divisors (1).

1283080889 is an equidigital number, since it uses as much as digits as its factorization.

1283080889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 221184, while the sum is 47.

The square root of 1283080889 is about 35820.1184950581. The cubic root of 1283080889 is about 1086.6374756713.

The spelling of 1283080889 in words is "one billion, two hundred eighty-three million, eighty thousand, eight hundred eighty-nine".