2585505012 has 24 divisors (see below), whose sum is σ = 6035727936. Its totient is φ = 861423168.

The previous prime is 2585505001. The next prime is 2585505017. The reversal of 2585505012 is 2105055852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2585505017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24768 + ... + 76055.

It is an arithmetic number, because the mean of its divisors is an integer number (251488664).

Almost surely, 2^2585505012 is an apocalyptic number.

It is an amenable number.

2585505012 is an abundant number, since it is smaller than the sum of its proper divisors (3450222924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2585505012 is a wasteful number, since it uses less digits than its factorization.

2585505012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102967 (or 102965 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 33.

The square root of 2585505012 is about 50847.8614299559. The cubic root of 2585505012 is about 1372.5087694570.

The spelling of 2585505012 in words is "two billion, five hundred eighty-five million, five hundred five thousand, twelve".