6528623 has 2 divisors, whose sum is σ = 6528624. Its totient is φ = 6528622.

The previous prime is 6528617. The next prime is 6528637. The reversal of 6528623 is 3268256.

6528623 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6528623 - 2⁴ = 6528607 is a prime.

It is a super-2 number, since 2×6528623² = 85245836552258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6528623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6528653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3264311 + 3264312.

It is an arithmetic number, because the mean of its divisors is an integer number (3264312).

Almost surely, 2^6528623 is an apocalyptic number.

6528623 is a deficient number, since it is larger than the sum of its proper divisors (1).

6528623 is an equidigital number, since it uses as much as digits as its factorization.

6528623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 32.

The square root of 6528623 is about 2555.1170227604. The cubic root of 6528623 is about 186.8990943307.

The spelling of 6528623 in words is "six million, five hundred twenty-eight thousand, six hundred twenty-three".