1090540589 has 2 divisors, whose sum is σ = 1090540590. Its totient is φ = 1090540588.

The previous prime is 1090540523. The next prime is 1090540597. The reversal of 1090540589 is 9850450901.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 777852100 + 312688489 = 27890^2 + 17683^2 .

It is a cyclic number.

It is not a de Polignac number, because 1090540589 - 2¹² = 1090536493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1090542589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 545270294 + 545270295.

It is an arithmetic number, because the mean of its divisors is an integer number (545270295).

Almost surely, 2^1090540589 is an apocalyptic number.

It is an amenable number.

1090540589 is a deficient number, since it is larger than the sum of its proper divisors (1).

1090540589 is an equidigital number, since it uses as much as digits as its factorization.

1090540589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 41.

The square root of 1090540589 is about 33023.3340079405. The cubic root of 1090540589 is about 1029.3125739565.

The spelling of 1090540589 in words is "one billion, ninety million, five hundred forty thousand, five hundred eighty-nine".