6431713 has 2 divisors, whose sum is σ = 6431714. Its totient is φ = 6431712.

The previous prime is 6431701. The next prime is 6431723. The reversal of 6431713 is 3171346.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5841889 + 589824 = 2417^2 + 768^2 .

It is a cyclic number.

It is not a de Polignac number, because 6431713 - 2⁵ = 6431681 is a prime.

It is a super-2 number, since 2×6431713² = 82733864228738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6431723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3215856 + 3215857.

It is an arithmetic number, because the mean of its divisors is an integer number (3215857).

Almost surely, 2^6431713 is an apocalyptic number.

It is an amenable number.

6431713 is a deficient number, since it is larger than the sum of its proper divisors (1).

6431713 is an equidigital number, since it uses as much as digits as its factorization.

6431713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512, while the sum is 25.

The square root of 6431713 is about 2536.0822147557. The cubic root of 6431713 is about 185.9697121839.

The spelling of 6431713 in words is "six million, four hundred thirty-one thousand, seven hundred thirteen".