804043925 has 6 divisors (see below), whose sum is σ = 997014498. Its totient is φ = 643235120.

The previous prime is 804043921. The next prime is 804043949. The reversal of 804043925 is 529340408.

It can be written as a sum of positive squares in 3 ways, for example, as 25020004 + 779023921 = 5002^2 + 27911^2 .

It is not a de Polignac number, because 804043925 - 2² = 804043921 is a prime.

It is a super-3 number, since 3×804043925³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804043921) 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 5 ways as a sum of consecutive naturals, for example, 16080854 + ... + 16080903.

It is an arithmetic number, because the mean of its divisors is an integer number (166169083).

Almost surely, 2^804043925 is an apocalyptic number.

It is an amenable number.

804043925 is a deficient number, since it is larger than the sum of its proper divisors (192970573).

804043925 is a wasteful number, since it uses less digits than its factorization.

804043925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32161767 (or 32161762 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 804043925 is about 28355.6683045912. The cubic root of 804043925 is about 929.8793249210.

The spelling of 804043925 in words is "eight hundred four million, forty-three thousand, nine hundred twenty-five".