2585086139 has 2 divisors, whose sum is σ = 2585086140. Its totient is φ = 2585086138.

The previous prime is 2585086103. The next prime is 2585086159. The reversal of 2585086139 is 9316805852.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2585086139 - 2¹² = 2585082043 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 2585086093 and 2585086102.

It is not a weakly prime, because it can be changed into another prime (2585086159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1292543069 + 1292543070.

It is an arithmetic number, because the mean of its divisors is an integer number (1292543070).

Almost surely, 2^2585086139 is an apocalyptic number.

2585086139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2585086139 is an equidigital number, since it uses as much as digits as its factorization.

2585086139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 518400, while the sum is 47.

The square root of 2585086139 is about 50843.7423779957. The cubic root of 2585086139 is about 1372.4346462312.

The spelling of 2585086139 in words is "two billion, five hundred eighty-five million, eighty-six thousand, one hundred thirty-nine".