805320525 has 12 divisors (see below), whose sum is σ = 1331463392. Its totient is φ = 429504240.

The previous prime is 805320499. The next prime is 805320533. The reversal of 805320525 is 525023508.

It is not a de Polignac number, because 805320525 - 2¹⁴ = 805304141 is a prime.

It is a super-2 number, since 2×805320525² = 1297082295972551250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 805320492 and 805320501.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5368729 + ... + 5368878.

Almost surely, 2^805320525 is an apocalyptic number.

It is an amenable number.

805320525 is a deficient number, since it is larger than the sum of its proper divisors (526142867).

805320525 is a wasteful number, since it uses less digits than its factorization.

805320525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10737620 (or 10737615 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 805320525 is about 28378.1698669946. The cubic root of 805320525 is about 930.3711953312.

The spelling of 805320525 in words is "eight hundred five million, three hundred twenty thousand, five hundred twenty-five".