6620301 has 12 divisors (see below), whose sum is σ = 9585628. Its totient is φ = 4402944.

The previous prime is 6620291. The next prime is 6620309. The reversal of 6620301 is 1030266.

It is a happy number.

6620301 is a `hidden beast` number, since 662 + 0 + 3 + 0 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4862025 + 1758276 = 2205^2 + 1326^2 .

It is not a de Polignac number, because 6620301 - 2¹⁴ = 6603917 is a prime.

It is a Duffinian number.

6620301 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6620309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5511 + ... + 6603.

Almost surely, 2^6620301 is an apocalyptic number.

It is an amenable number.

6620301 is a deficient number, since it is larger than the sum of its proper divisors (2965327).

6620301 is a wasteful number, since it uses less digits than its factorization.

6620301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1772 (or 1769 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 6620301 is about 2572.9945588749. The cubic root of 6620301 is about 187.7698727135.

Adding to 6620301 its reverse (1030266), we get a palindrome (7650567).

The spelling of 6620301 in words is "six million, six hundred twenty thousand, three hundred one".