528734447 has 2 divisors, whose sum is σ = 528734448. Its totient is φ = 528734446.

The previous prime is 528734441. The next prime is 528734449. The reversal of 528734447 is 744437825.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 528734447 - 2⁴ = 528734431 is a prime.

Together with 528734449, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 528734398 and 528734407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (528734441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264367223 + 264367224.

It is an arithmetic number, because the mean of its divisors is an integer number (264367224).

Almost surely, 2^528734447 is an apocalyptic number.

528734447 is a deficient number, since it is larger than the sum of its proper divisors (1).

528734447 is an equidigital number, since it uses as much as digits as its factorization.

528734447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 752640, while the sum is 44.

The square root of 528734447 is about 22994.2263840295. The cubic root of 528734447 is about 808.6225876441.

The spelling of 528734447 in words is "five hundred twenty-eight million, seven hundred thirty-four thousand, four hundred forty-seven".