6542933 has 2 divisors, whose sum is σ = 6542934. Its totient is φ = 6542932.

The previous prime is 6542929. The next prime is 6542959. The reversal of 6542933 is 3392456.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4674244 + 1868689 = 2162^2 + 1367^2 .

It is a cyclic number.

It is not a de Polignac number, because 6542933 - 2² = 6542929 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6542933.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6542993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3271466 + 3271467.

It is an arithmetic number, because the mean of its divisors is an integer number (3271467).

Almost surely, 2^6542933 is an apocalyptic number.

It is an amenable number.

6542933 is a deficient number, since it is larger than the sum of its proper divisors (1).

6542933 is an equidigital number, since it uses as much as digits as its factorization.

6542933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 32.

The square root of 6542933 is about 2557.9157531084. The cubic root of 6542933 is about 187.0355485432.

The spelling of 6542933 in words is "six million, five hundred forty-two thousand, nine hundred thirty-three".