2805055825 has 48 divisors (see below), whose sum is σ = 4125110976. Its totient is φ = 1865260800.

The previous prime is 2805055819. The next prime is 2805055867. The reversal of 2805055825 is 5285505082.

It is a happy number.

It is not a de Polignac number, because 2805055825 - 2⁹ = 2805055313 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 378859 + ... + 386191.

It is an arithmetic number, because the mean of its divisors is an integer number (85939812).

Almost surely, 2^2805055825 is an apocalyptic number.

2805055825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2805055825 is a deficient number, since it is larger than the sum of its proper divisors (1320055151).

2805055825 is a wasteful number, since it uses less digits than its factorization.

2805055825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7474 (or 7469 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 40.

The square root of 2805055825 is about 52962.7777311576. Note that the first 4 decimals coincide. The cubic root of 2805055825 is about 1410.3075674970.

The spelling of 2805055825 in words is "two billion, eight hundred five million, fifty-five thousand, eight hundred twenty-five".