2805529225 has 12 divisors (see below), whose sum is σ = 3479917276. Its totient is φ = 2243738880.

The previous prime is 2805529183. The next prime is 2805529229. The reversal of 2805529225 is 5229255082.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 827770441 + 1977758784 = 28771^2 + 44472^2 .

It is not a de Polignac number, because 2805529225 - 2¹¹ = 2805527177 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2805529229) 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 11 ways as a sum of consecutive naturals, for example, 76549 + ... + 107101.

Almost surely, 2^2805529225 is an apocalyptic number.

2805529225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2805529225 is a deficient number, since it is larger than the sum of its proper divisors (674388051).

2805529225 is a wasteful number, since it uses less digits than its factorization.

2805529225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34236 (or 34231 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 40.

The square root of 2805529225 is about 52967.2467190810. The cubic root of 2805529225 is about 1410.3869006831.

The spelling of 2805529225 in words is "two billion, eight hundred five million, five hundred twenty-nine thousand, two hundred twenty-five".