39081089 has 2 divisors, whose sum is σ = 39081090. Its totient is φ = 39081088.

The previous prime is 39081073. The next prime is 39081103. The reversal of 39081089 is 98018093.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32398864 + 6682225 = 5692^2 + 2585^2 .

It is a cyclic number.

It is not a de Polignac number, because 39081089 - 2⁴ = 39081073 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (39081019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19540544 + 19540545.

It is an arithmetic number, because the mean of its divisors is an integer number (19540545).

Almost surely, 2^39081089 is an apocalyptic number.

It is an amenable number.

39081089 is a deficient number, since it is larger than the sum of its proper divisors (1).

39081089 is an equidigital number, since it uses as much as digits as its factorization.

39081089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 39081089 is about 6251.4869431200. The cubic root of 39081089 is about 339.3560157354.

The spelling of 39081089 in words is "thirty-nine million, eighty-one thousand, eighty-nine".