805300025 has 6 divisors (see below), whose sum is σ = 998572062. Its totient is φ = 644240000.

The previous prime is 805300007. The next prime is 805300049. The reversal of 805300025 is 520003508.

It can be written as a sum of positive squares in 3 ways, for example, as 30958096 + 774341929 = 5564^2 + 27827^2 .

It is not a de Polignac number, because 805300025 - 2⁸ = 805299769 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16105976 + ... + 16106025.

It is an arithmetic number, because the mean of its divisors is an integer number (166428677).

Almost surely, 2^805300025 is an apocalyptic number.

It is an amenable number.

805300025 is a deficient number, since it is larger than the sum of its proper divisors (193272037).

805300025 is a wasteful number, since it uses less digits than its factorization.

805300025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32212011 (or 32212006 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 805300025 is about 28377.8086715659. The cubic root of 805300025 is about 930.3633008467.

The spelling of 805300025 in words is "eight hundred five million, three hundred thousand, twenty-five".