2585510489 has 2 divisors, whose sum is σ = 2585510490. Its totient is φ = 2585510488.

The previous prime is 2585510371. The next prime is 2585510509. The reversal of 2585510489 is 9840155852.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1770978889 + 814531600 = 42083^2 + 28540^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2585510489 is a prime.

It is not a weakly prime, because it can be changed into another prime (2585510789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1292755244 + 1292755245.

It is an arithmetic number, because the mean of its divisors is an integer number (1292755245).

Almost surely, 2^2585510489 is an apocalyptic number.

It is an amenable number.

2585510489 is a deficient number, since it is larger than the sum of its proper divisors (1).

2585510489 is an equidigital number, since it uses as much as digits as its factorization.

2585510489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576000, while the sum is 47.

The square root of 2585510489 is about 50847.9152866664. The cubic root of 2585510489 is about 1372.5097386068.

The spelling of 2585510489 in words is "two billion, five hundred eighty-five million, five hundred ten thousand, four hundred eighty-nine".