8509801 has 4 divisors (see below), whose sum is σ = 8617600. Its totient is φ = 8402004.

The previous prime is 8509799. The next prime is 8509811. The reversal of 8509801 is 1089058.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8509801 - 2¹ = 8509799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8509811) 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 3 ways as a sum of consecutive naturals, for example, 53781 + ... + 53938.

It is an arithmetic number, because the mean of its divisors is an integer number (2154400).

Almost surely, 2^8509801 is an apocalyptic number.

It is an amenable number.

8509801 is a deficient number, since it is larger than the sum of its proper divisors (107799).

8509801 is a wasteful number, since it uses less digits than its factorization.

8509801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107798.

The product of its (nonzero) digits is 2880, while the sum is 31.

The square root of 8509801 is about 2917.1563208028. The cubic root of 8509801 is about 204.1611647738.

The spelling of 8509801 in words is "eight million, five hundred nine thousand, eight hundred one".