6520801 has 4 divisors (see below), whose sum is σ = 7452352. Its totient is φ = 5589252.

The previous prime is 6520793. The next prime is 6520817. The reversal of 6520801 is 1080256.

It is a happy number.

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 6520801 - 2³ = 6520793 is a prime.

It is a Duffinian number.

6520801 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6520831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 465765 + ... + 465778.

It is an arithmetic number, because the mean of its divisors is an integer number (1863088).

Almost surely, 2^6520801 is an apocalyptic number.

It is an amenable number.

6520801 is a deficient number, since it is larger than the sum of its proper divisors (931551).

6520801 is an equidigital number, since it uses as much as digits as its factorization.

6520801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931550.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 6520801 is about 2553.5859100488. The cubic root of 6520801 is about 186.8244226910.

The spelling of 6520801 in words is "six million, five hundred twenty thousand, eight hundred one".