6942563 has 2 divisors, whose sum is σ = 6942564. Its totient is φ = 6942562.

The previous prime is 6942553. The next prime is 6942577. The reversal of 6942563 is 3652496.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6942563 - 2⁴ = 6942547 is a prime.

It is a d-powerful number, because it can be written as 6 + 9⁵ + 4⁴ + 2²¹ + 5⁵ + 6 + 3¹⁴ .

It is not a weakly prime, because it can be changed into another prime (6942553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3471281 + 3471282.

It is an arithmetic number, because the mean of its divisors is an integer number (3471282).

Almost surely, 2^6942563 is an apocalyptic number.

6942563 is a deficient number, since it is larger than the sum of its proper divisors (1).

6942563 is an equidigital number, since it uses as much as digits as its factorization.

6942563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 35.

The square root of 6942563 is about 2634.8743803073. The cubic root of 6942563 is about 190.7684758060.

The spelling of 6942563 in words is "six million, nine hundred forty-two thousand, five hundred sixty-three".