6481807 has 2 divisors, whose sum is σ = 6481808. Its totient is φ = 6481806.

The previous prime is 6481789. The next prime is 6481823. The reversal of 6481807 is 7081846.

It is a happy number.

6481807 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6481807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6481207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3240903 + 3240904.

It is an arithmetic number, because the mean of its divisors is an integer number (3240904).

Almost surely, 2^6481807 is an apocalyptic number.

6481807 is a deficient number, since it is larger than the sum of its proper divisors (1).

6481807 is an equidigital number, since it uses as much as digits as its factorization.

6481807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 6481807 is about 2545.9393158518. The cubic root of 6481807 is about 186.4512782810.

The spelling of 6481807 in words is "six million, four hundred eighty-one thousand, eight hundred seven".