6780901 has 2 divisors, whose sum is σ = 6780902. Its totient is φ = 6780900.

The previous prime is 6780881. The next prime is 6780913. The reversal of 6780901 is 1090876.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5832225 + 948676 = 2415^2 + 974^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6780901 is a prime.

It is a Chen prime.

6780901 is a lucky number.

It is equal to p₄₆₂₆₇₆ and since 6780901 and 462676 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6780931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3390450 + 3390451.

It is an arithmetic number, because the mean of its divisors is an integer number (3390451).

Almost surely, 2^6780901 is an apocalyptic number.

It is an amenable number.

6780901 is a deficient number, since it is larger than the sum of its proper divisors (1).

6780901 is an equidigital number, since it uses as much as digits as its factorization.

6780901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 6780901 is about 2604.0163209934. The cubic root of 6780901 is about 189.2761097841.

The spelling of 6780901 in words is "six million, seven hundred eighty thousand, nine hundred one".