6473891 has 2 divisors, whose sum is σ = 6473892. Its totient is φ = 6473890.

The previous prime is 6473881. The next prime is 6473903. The reversal of 6473891 is 1983746.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6473891 - 2¹⁸ = 6211747 is a prime.

It is a super-2 number, since 2×6473891² = 83822529359762, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6473801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3236945 + 3236946.

It is an arithmetic number, because the mean of its divisors is an integer number (3236946).

Almost surely, 2^6473891 is an apocalyptic number.

6473891 is a deficient number, since it is larger than the sum of its proper divisors (1).

6473891 is an equidigital number, since it uses as much as digits as its factorization.

6473891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 38.

The square root of 6473891 is about 2544.3842084088. The cubic root of 6473891 is about 186.3753452597.

The spelling of 6473891 in words is "six million, four hundred seventy-three thousand, eight hundred ninety-one".