805528417 has 8 divisors (see below), whose sum is σ = 824707136. Its totient is φ = 786370032.

The previous prime is 805528411. The next prime is 805528439. The reversal of 805528417 is 714825508.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 805528417 - 2¹¹ = 805526369 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 805528417.

It is not an unprimeable number, because it can be changed into a prime (805528411) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 100948 + ... + 108634.

It is an arithmetic number, because the mean of its divisors is an integer number (103088392).

Almost surely, 2^805528417 is an apocalyptic number.

It is an amenable number.

805528417 is a deficient number, since it is larger than the sum of its proper divisors (19178719).

805528417 is a wasteful number, since it uses less digits than its factorization.

805528417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10167.

The product of its (nonzero) digits is 89600, while the sum is 40.

The square root of 805528417 is about 28381.8325165941. The cubic root of 805528417 is about 930.4512463095.

The spelling of 805528417 in words is "eight hundred five million, five hundred twenty-eight thousand, four hundred seventeen".