528640547 has 2 divisors, whose sum is σ = 528640548. Its totient is φ = 528640546.

The previous prime is 528640543. The next prime is 528640577. The reversal of 528640547 is 745046825.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 528640547 - 2² = 528640543 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (528640543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264320273 + 264320274.

It is an arithmetic number, because the mean of its divisors is an integer number (264320274).

Almost surely, 2^528640547 is an apocalyptic number.

528640547 is a deficient number, since it is larger than the sum of its proper divisors (1).

528640547 is an equidigital number, since it uses as much as digits as its factorization.

528640547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 268800, while the sum is 41.

The square root of 528640547 is about 22992.1844764694. The cubic root of 528640547 is about 808.5747160035.

The spelling of 528640547 in words is "five hundred twenty-eight million, six hundred forty thousand, five hundred forty-seven".