6801247 has 2 divisors, whose sum is σ = 6801248. Its totient is φ = 6801246.

The previous prime is 6801227. The next prime is 6801253. The reversal of 6801247 is 7421086.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6801247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6801217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3400623 + 3400624.

It is an arithmetic number, because the mean of its divisors is an integer number (3400624).

Almost surely, 2^6801247 is an apocalyptic number.

6801247 is a deficient number, since it is larger than the sum of its proper divisors (1).

6801247 is an equidigital number, since it uses as much as digits as its factorization.

6801247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 6801247 is about 2607.9200524556. The cubic root of 6801247 is about 189.4652275479.

The spelling of 6801247 in words is "six million, eight hundred one thousand, two hundred forty-seven".