6951961 has 2 divisors, whose sum is σ = 6951962. Its totient is φ = 6951960.

The previous prime is 6951953. The next prime is 6951977. The reversal of 6951961 is 1691596.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3924361 + 3027600 = 1981^2 + 1740^2 .

It is a cyclic number.

It is not a de Polignac number, because 6951961 - 2³ = 6951953 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6951961.

It is not a weakly prime, because it can be changed into another prime (6951941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3475980 + 3475981.

It is an arithmetic number, because the mean of its divisors is an integer number (3475981).

Almost surely, 2^6951961 is an apocalyptic number.

It is an amenable number.

6951961 is a deficient number, since it is larger than the sum of its proper divisors (1).

6951961 is an equidigital number, since it uses as much as digits as its factorization.

6951961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14580, while the sum is 37.

The square root of 6951961 is about 2636.6571639104. The cubic root of 6951961 is about 190.8545167376.

The spelling of 6951961 in words is "six million, nine hundred fifty-one thousand, nine hundred sixty-one".