803990825 has 24 divisors (see below), whose sum is σ = 1089471936. Its totient is φ = 583704000.

The previous prime is 803990807. The next prime is 803990839. The reversal of 803990825 is 528099308.

It is not a de Polignac number, because 803990825 - 2⁸ = 803990569 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 179564 + ... + 183986.

It is an arithmetic number, because the mean of its divisors is an integer number (45394664).

Almost surely, 2^803990825 is an apocalyptic number.

It is an amenable number.

803990825 is a deficient number, since it is larger than the sum of its proper divisors (285481111).

803990825 is a wasteful number, since it uses less digits than its factorization.

803990825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5105 (or 5100 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 803990825 is about 28354.7319684034. The cubic root of 803990825 is about 929.8588543647.

The spelling of 803990825 in words is "eight hundred three million, nine hundred ninety thousand, eight hundred twenty-five".