6528393 has 12 divisors (see below), whose sum is σ = 9755460. Its totient is φ = 4202016.

The previous prime is 6528377. The next prime is 6528397. The reversal of 6528393 is 3938256.

It can be written as a sum of positive squares in 2 ways, for example, as 5419584 + 1108809 = 2328^2 + 1053^2 .

It is not a de Polignac number, because 6528393 - 2⁴ = 6528377 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6528397) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12246 + ... + 12767.

It is an arithmetic number, because the mean of its divisors is an integer number (812955).

Almost surely, 2^6528393 is an apocalyptic number.

It is an amenable number.

6528393 is a deficient number, since it is larger than the sum of its proper divisors (3227067).

6528393 is a wasteful number, since it uses less digits than its factorization.

6528393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25048 (or 25045 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 6528393 is about 2555.0720146407. The cubic root of 6528393 is about 186.8968995189.

It can be divided in two parts, 652 and 8393, that added together give a triangular number (9045 = T₁₃₄).

The spelling of 6528393 in words is "six million, five hundred twenty-eight thousand, three hundred ninety-three".