804528049 has 18 divisors (see below), whose sum is σ = 882539826. Its totient is φ = 733075200.

The previous prime is 804528031. The next prime is 804528083. The reversal of 804528049 is 940825408.

It can be written as a sum of positive squares in 9 ways, for example, as 515290000 + 289238049 = 22700^2 + 17007^2 .

It is not a de Polignac number, because 804528049 - 2¹⁵ = 804495281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (804528029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1338349 + ... + 1338949.

Almost surely, 2^804528049 is an apocalyptic number.

804528049 is a gapful number since it is divisible by the number (89) formed by its first and last digit.

It is an amenable number.

804528049 is a deficient number, since it is larger than the sum of its proper divisors (78011777).

804528049 is an equidigital number, since it uses as much as digits as its factorization.

804528049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805 (or 703 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 804528049 is about 28364.2036553117. The cubic root of 804528049 is about 930.0659177850.

The spelling of 804528049 in words is "eight hundred four million, five hundred twenty-eight thousand, forty-nine".