340265089 has 2 divisors, whose sum is σ = 340265090. Its totient is φ = 340265088.

The previous prime is 340265041. The next prime is 340265111. The reversal of 340265089 is 980562043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 324000000 + 16265089 = 18000^2 + 4033^2 .

It is a cyclic number.

It is not a de Polignac number, because 340265089 - 2⁷ = 340264961 is a prime.

It is not a weakly prime, because it can be changed into another prime (340265789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170132544 + 170132545.

It is an arithmetic number, because the mean of its divisors is an integer number (170132545).

Almost surely, 2^340265089 is an apocalyptic number.

It is an amenable number.

340265089 is a deficient number, since it is larger than the sum of its proper divisors (1).

340265089 is an equidigital number, since it uses as much as digits as its factorization.

340265089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 340265089 is about 18446.2757487792. The cubic root of 340265089 is about 698.1345494486.

The spelling of 340265089 in words is "three hundred forty million, two hundred sixty-five thousand, eighty-nine".