6473861 has 2 divisors, whose sum is σ = 6473862. Its totient is φ = 6473860.

The previous prime is 6473843. The next prime is 6473867. The reversal of 6473861 is 1683746.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3648100 + 2825761 = 1910^2 + 1681^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6473861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6473867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3236930 + 3236931.

It is an arithmetic number, because the mean of its divisors is an integer number (3236931).

Almost surely, 2^6473861 is an apocalyptic number.

It is an amenable number.

6473861 is a deficient number, since it is larger than the sum of its proper divisors (1).

6473861 is an equidigital number, since it uses as much as digits as its factorization.

6473861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 35.

The square root of 6473861 is about 2544.3783130659. The cubic root of 6473861 is about 186.3750573716.

The spelling of 6473861 in words is "six million, four hundred seventy-three thousand, eight hundred sixty-one".