6506963 has 2 divisors, whose sum is σ = 6506964. Its totient is φ = 6506962.

The previous prime is 6506959. The next prime is 6507023. The reversal of 6506963 is 3696056.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6506963 - 2² = 6506959 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (6506363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3253481 + 3253482.

It is an arithmetic number, because the mean of its divisors is an integer number (3253482).

Almost surely, 2^6506963 is an apocalyptic number.

6506963 is the 1364-th centered heptagonal number.

6506963 is a deficient number, since it is larger than the sum of its proper divisors (1).

6506963 is an equidigital number, since it uses as much as digits as its factorization.

6506963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 35.

The square root of 6506963 is about 2550.8749479345. The cubic root of 6506963 is about 186.6921737395.

The spelling of 6506963 in words is "six million, five hundred six thousand, nine hundred sixty-three".