6313691 has 2 divisors, whose sum is σ = 6313692. Its totient is φ = 6313690.

The previous prime is 6313669. The next prime is 6313693. The reversal of 6313691 is 1963136.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6313691 - 2¹⁰ = 6312667 is a prime.

Together with 6313693, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p₄₃₂₉₄₇ and since 6313691 and 432947 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (6313693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3156845 + 3156846.

It is an arithmetic number, because the mean of its divisors is an integer number (3156846).

Almost surely, 2^6313691 is an apocalyptic number.

6313691 is a deficient number, since it is larger than the sum of its proper divisors (1).

6313691 is an equidigital number, since it uses as much as digits as its factorization.

6313691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2916, while the sum is 29.

The square root of 6313691 is about 2512.7059119603. The cubic root of 6313691 is about 184.8251671870.

The spelling of 6313691 in words is "six million, three hundred thirteen thousand, six hundred ninety-one".