2025589009 has 2 divisors, whose sum is σ = 2025589010. Its totient is φ = 2025589008.

The previous prime is 2025588991. The next prime is 2025589067. The reversal of 2025589009 is 9009855202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1991658384 + 33930625 = 44628^2 + 5825^2 .

It is a cyclic number.

It is not a de Polignac number, because 2025589009 - 2⁹ = 2025588497 is a prime.

It is not a weakly prime, because it can be changed into another prime (2025589079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1012794504 + 1012794505.

It is an arithmetic number, because the mean of its divisors is an integer number (1012794505).

Almost surely, 2^2025589009 is an apocalyptic number.

It is an amenable number.

2025589009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2025589009 is an equidigital number, since it uses as much as digits as its factorization.

2025589009 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 40.

The square root of 2025589009 is about 45006.5440686130. The cubic root of 2025589009 is about 1265.2716501185.

The spelling of 2025589009 in words is "two billion, twenty-five million, five hundred eighty-nine thousand, nine".