6410687 has 2 divisors, whose sum is σ = 6410688. Its totient is φ = 6410686.

The previous prime is 6410681. The next prime is 6410689. The reversal of 6410687 is 7860146.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6410687 - 2⁶ = 6410623 is a prime.

Together with 6410689, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p₄₃₉₀₈₈ and since 6410687 and 439088 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6410681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3205343 + 3205344.

It is an arithmetic number, because the mean of its divisors is an integer number (3205344).

Almost surely, 2^6410687 is an apocalyptic number.

6410687 is a deficient number, since it is larger than the sum of its proper divisors (1).

6410687 is an equidigital number, since it uses as much as digits as its factorization.

6410687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 6410687 is about 2531.9334509422. The cubic root of 6410687 is about 185.7668389170.

The spelling of 6410687 in words is "six million, four hundred ten thousand, six hundred eighty-seven".