6820601 has 4 divisors (see below), whose sum is σ = 7179600. Its totient is φ = 6461604.

The previous prime is 6820579. The next prime is 6820607. The reversal of 6820601 is 1060286.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1060286 = 2 ⋅530143.

It is a cyclic number.

It is not a de Polignac number, because 6820601 - 2⁶ = 6820537 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6820607) 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, 179471 + ... + 179508.

It is an arithmetic number, because the mean of its divisors is an integer number (1794900).

Almost surely, 2^6820601 is an apocalyptic number.

It is an amenable number.

6820601 is a deficient number, since it is larger than the sum of its proper divisors (358999).

6820601 is a wasteful number, since it uses less digits than its factorization.

6820601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358998.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 6820601 is about 2611.6280363023. The cubic root of 6820601 is about 189.6447748794.

Adding to 6820601 its reverse (1060286), we get a palindrome (7880887).

The spelling of 6820601 in words is "six million, eight hundred twenty thousand, six hundred one".