2585308499 has 2 divisors, whose sum is σ = 2585308500. Its totient is φ = 2585308498.

The previous prime is 2585308493. The next prime is 2585308513. The reversal of 2585308499 is 9948035852.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2585308499 - 2⁴ = 2585308483 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2585308499.

It is not a weakly prime, because it can be changed into another prime (2585308493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1292654249 + 1292654250.

It is an arithmetic number, because the mean of its divisors is an integer number (1292654250).

Almost surely, 2^2585308499 is an apocalyptic number.

2585308499 is a deficient number, since it is larger than the sum of its proper divisors (1).

2585308499 is an equidigital number, since it uses as much as digits as its factorization.

2585308499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3110400, while the sum is 53.

The square root of 2585308499 is about 50845.9290307494. The cubic root of 2585308499 is about 1372.4739957670.

The spelling of 2585308499 in words is "two billion, five hundred eighty-five million, three hundred eight thousand, four hundred ninety-nine".