6528257 has 2 divisors, whose sum is σ = 6528258. Its totient is φ = 6528256.

The previous prime is 6528233. The next prime is 6528271. The reversal of 6528257 is 7528256.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5271616 + 1256641 = 2296^2 + 1121^2 .

It is a cyclic number.

It is not a de Polignac number, because 6528257 - 2²² = 2333953 is a prime.

It is a d-powerful number, because it can be written as 6³ + 5⁹ + 2¹⁹ + 8 + 2²¹ + 5⁹ + 7³ .

It is not a weakly prime, because it can be changed into another prime (6528287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3264128 + 3264129.

It is an arithmetic number, because the mean of its divisors is an integer number (3264129).

Almost surely, 2^6528257 is an apocalyptic number.

It is an amenable number.

6528257 is a deficient number, since it is larger than the sum of its proper divisors (1).

6528257 is an equidigital number, since it uses as much as digits as its factorization.

6528257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33600, while the sum is 35.

The square root of 6528257 is about 2555.0454007708. The cubic root of 6528257 is about 186.8956016929.

Subtracting 6528257 from its reverse (7528256), we obtain a palindrome (999999).

The spelling of 6528257 in words is "six million, five hundred twenty-eight thousand, two hundred fifty-seven".