6479131 has 2 divisors, whose sum is σ = 6479132. Its totient is φ = 6479130.

The previous prime is 6479119. The next prime is 6479147. The reversal of 6479131 is 1319746.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6479131 - 2⁷ = 6479003 is a prime.

It is a super-2 number, since 2×6479131² = 83958277030322, which contains 22 as substring.

6479131 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 6479093 and 6479102.

It is not a weakly prime, because it can be changed into another prime (6479191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3239565 + 3239566.

It is an arithmetic number, because the mean of its divisors is an integer number (3239566).

Almost surely, 2^6479131 is an apocalyptic number.

6479131 is a deficient number, since it is larger than the sum of its proper divisors (1).

6479131 is an equidigital number, since it uses as much as digits as its factorization.

6479131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 31.

The square root of 6479131 is about 2545.4137188284. The cubic root of 6479131 is about 186.4256160802.

The spelling of 6479131 in words is "six million, four hundred seventy-nine thousand, one hundred thirty-one".