6957943 has 2 divisors, whose sum is σ = 6957944. Its totient is φ = 6957942.

The previous prime is 6957917. The next prime is 6957967. The reversal of 6957943 is 3497596.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6957943 - 2¹³ = 6949751 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6957943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6957043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3478971 + 3478972.

It is an arithmetic number, because the mean of its divisors is an integer number (3478972).

Almost surely, 2^6957943 is an apocalyptic number.

6957943 is a deficient number, since it is larger than the sum of its proper divisors (1).

6957943 is an equidigital number, since it uses as much as digits as its factorization.

6957943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 204120, while the sum is 43.

The square root of 6957943 is about 2637.7913109266. The cubic root of 6957943 is about 190.9092429945.

The spelling of 6957943 in words is "six million, nine hundred fifty-seven thousand, nine hundred forty-three".