528942647 has 2 divisors, whose sum is σ = 528942648. Its totient is φ = 528942646.

The previous prime is 528942619. The next prime is 528942671. The reversal of 528942647 is 746249825.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 528942647 - 2⁸ = 528942391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (528942697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264471323 + 264471324.

It is an arithmetic number, because the mean of its divisors is an integer number (264471324).

Almost surely, 2^528942647 is an apocalyptic number.

528942647 is a deficient number, since it is larger than the sum of its proper divisors (1).

528942647 is an equidigital number, since it uses as much as digits as its factorization.

528942647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 967680, while the sum is 47.

The square root of 528942647 is about 22998.7531618564. The cubic root of 528942647 is about 808.7287109421.

The spelling of 528942647 in words is "five hundred twenty-eight million, nine hundred forty-two thousand, six hundred forty-seven".