6408131 has 2 divisors, whose sum is σ = 6408132. Its totient is φ = 6408130.

The previous prime is 6408119. The next prime is 6408137. The reversal of 6408131 is 1318046.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6408131 is a prime.

It is a super-2 number, since 2×6408131² = 82128285826322, which contains 22 as substring.

It is a Chen prime.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 6408097 and 6408106.

It is not a weakly prime, because it can be changed into another prime (6408137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3204065 + 3204066.

It is an arithmetic number, because the mean of its divisors is an integer number (3204066).

Almost surely, 2^6408131 is an apocalyptic number.

6408131 is a deficient number, since it is larger than the sum of its proper divisors (1).

6408131 is an equidigital number, since it uses as much as digits as its factorization.

6408131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 6408131 is about 2531.4286480168. The cubic root of 6408131 is about 185.7421466513.

The spelling of 6408131 in words is "six million, four hundred eight thousand, one hundred thirty-one".