2585495256 has 32 divisors (see below), whose sum is σ = 6467048640. Its totient is φ = 861390368.

The previous prime is 2585495221. The next prime is 2585495267. The reversal of 2585495256 is 6525945852.

It is a junction number, because it is equal to n+sod(n) for n = 2585495199 and 2585495208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22075 + ... + 75221.

It is an arithmetic number, because the mean of its divisors is an integer number (202095270).

Almost surely, 2^2585495256 is an apocalyptic number.

It is an amenable number.

2585495256 is an abundant number, since it is smaller than the sum of its proper divisors (3881553384).

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

2585495256 is a wasteful number, since it uses less digits than its factorization.

2585495256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55183 (or 55179 counting only the distinct ones).

The product of its digits is 4320000, while the sum is 51.

The square root of 2585495256 is about 50847.7654966273. The cubic root of 2585495256 is about 1372.5070431389.

The spelling of 2585495256 in words is "two billion, five hundred eighty-five million, four hundred ninety-five thousand, two hundred fifty-six".