6916961 has 2 divisors, whose sum is σ = 6916962. Its totient is φ = 6916960.

The previous prime is 6916957. The next prime is 6916963. The reversal of 6916961 is 1696196.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4177936 + 2739025 = 2044^2 + 1655^2 .

It is a cyclic number.

It is not a de Polignac number, because 6916961 - 2² = 6916957 is a prime.

Together with 6916963, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (6916963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3458480 + 3458481.

It is an arithmetic number, because the mean of its divisors is an integer number (3458481).

Almost surely, 2^6916961 is an apocalyptic number.

It is an amenable number.

6916961 is a deficient number, since it is larger than the sum of its proper divisors (1).

6916961 is an equidigital number, since it uses as much as digits as its factorization.

6916961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17496, while the sum is 38.

The square root of 6916961 is about 2630.0115969326. The cubic root of 6916961 is about 190.5336888131.

The spelling of 6916961 in words is "six million, nine hundred sixteen thousand, nine hundred sixty-one".