2805825028 has 6 divisors (see below), whose sum is σ = 4910193806. Its totient is φ = 1402912512.

The previous prime is 2805825017. The next prime is 2805825031. The reversal of 2805825028 is 8205285082.

It can be written as a sum of positive squares in only one way, i.e., 2041413124 + 764411904 = 45182^2 + 27648^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 350728125 + ... + 350728132.

Almost surely, 2^2805825028 is an apocalyptic number.

It is an amenable number.

2805825028 is a deficient number, since it is larger than the sum of its proper divisors (2104368778).

2805825028 is a wasteful number, since it uses less digits than its factorization.

2805825028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701456261 (or 701456259 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 40.

The square root of 2805825028 is about 52970.0389654378. The cubic root of 2805825028 is about 1410.4364673283.

The spelling of 2805825028 in words is "two billion, eight hundred five million, eight hundred twenty-five thousand, twenty-eight".