6522943 has 4 divisors (see below), whose sum is σ = 7454800. Its totient is φ = 5591088.

The previous prime is 6522937. The next prime is 6522949. The reversal of 6522943 is 3492256.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (6522937) and next prime (6522949).

It is a cyclic number.

It is not a de Polignac number, because 6522943 - 2⁵ = 6522911 is a prime.

It is a d-powerful number, because it can be written as 6⁸ + 5⁷ + 2⁷ + 2¹⁵ + 9⁴ + 4¹¹ + 3¹² .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6522949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 465918 + ... + 465931.

It is an arithmetic number, because the mean of its divisors is an integer number (1863700).

Almost surely, 2^6522943 is an apocalyptic number.

6522943 is a deficient number, since it is larger than the sum of its proper divisors (931857).

6522943 is an equidigital number, since it uses as much as digits as its factorization.

6522943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931856.

The product of its digits is 12960, while the sum is 31.

The square root of 6522943 is about 2554.0052858207. The cubic root of 6522943 is about 186.8448769319.

The spelling of 6522943 in words is "six million, five hundred twenty-two thousand, nine hundred forty-three".