6780201 has 4 divisors (see below), whose sum is σ = 9040272. Its totient is φ = 4520132.

The previous prime is 6780157. The next prime is 6780217. The reversal of 6780201 is 1020876.

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 6780201 - 2⁷ = 6780073 is a prime.

It is a super-2 number, since 2×6780201² = 91942251200802, which contains 22 as substring.

It is a D-number.

It is a Curzon number.

6780201 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6780251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1130031 + ... + 1130036.

It is an arithmetic number, because the mean of its divisors is an integer number (2260068).

Almost surely, 2^6780201 is an apocalyptic number.

It is an amenable number.

6780201 is a deficient number, since it is larger than the sum of its proper divisors (2260071).

6780201 is a wasteful number, since it uses less digits than its factorization.

6780201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2260070.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 6780201 is about 2603.8819097647. The cubic root of 6780201 is about 189.2695964984.

The spelling of 6780201 in words is "six million, seven hundred eighty thousand, two hundred one".